abrupt: sudden or unexpected.

absorbed: deeply interested or involved; preoccupied.

accelerator: a device that increases the speed of a vehicle or a process.

acceptable: able to be agreed on; suitable.

accommodate: to provide space or to adjust for someone or something.

accomplishment: something that has been achieved successfully.

acknowledged: recognized as being good or important.

acquired: obtained or received by effort or learning.

adhere: to stick firmly to something.

advantageous: creating favorable circumstances that increase the chances of success.

advocacy: public support for or recommendation of a particular cause or policy.

aerial: existing, happening, or operating in the air.

aesthetic: concerned with beauty or the appreciation of beauty.

aggravate: to make a problem, injury, or offense worse or more serious.

alleviate: to make suffering, deficiency, or a problem less severe.

ambivalence: having mixed feelings or contradictory ideas about something or someone.

annotate: to add notes or comments to a text or diagram for explanation or criticism.

anon: soon; shortly.

anticipating: expecting or predicting something.

appropriate: suitable or proper in the circumstances.

approximate: close to the actual, but not completely accurate or exact.

acquisition: an asset or object bought or obtained, typically by a library or museum.

argue: to give reasons or cite evidence in support of an idea, action, or theory.

attribute (v): to regard something as being caused by someone or something.

authenticity: the quality of being authentic or genuine.

beneficial: producing good or helpful results; advantageous.

beneficiary: a person who derives advantage from something, especially a trust, will, or life insurance policy.

benign: gentle, kindly; not harmful in effect.

binary: relating to, composed of, or involving two things.

bureaucratic: relating to the business of running an organization, or government.

buttress: a structure built against a wall to support or strengthen it.

bystander: a person who is present at an event or incident but does not take part.

careful: making sure to avoid potential danger, mishap, or harm.

catastrophic: involving or causing sudden great damage or suffering.

challenged: faced with a difficult task or situation.

characteristic: a feature or quality belonging typically to a person, place, or thing and serving to identify it.

circumvent: to find a way around an obstacle.

civilian: a person not in the armed services or the police force.

coincide: to occur at or during the same time.

collaborate: to work jointly on an activity or project.

collected with: gathered together with something else.

commissioned: given an official assignment or task.

committed: dedicated to a cause, activity, or relationship.

common: occurring, found, or done often; prevalent.

comparable to: able to be likened to another; similar.

compelling: evoking interest, attention, or admiration in a powerfully irresistible way.

complementary: combining in such a way as to enhance or emphasize the qualities of each other or another.

compose: to write or create a work of art, especially music or poetry.

comprises: consists of; is made up of.

concealed: kept secret; hidden.

concede: to admit that something is true or valid after first denying or resisting it.

conceptualize: to form a concept or idea of something in the mind.

concern about: a feeling of worry or anxiety about something.

concerning: on the subject of or in connection with; about.

conditions: the circumstances affecting the way in which people live or work.

confident: feeling or showing confidence in oneself or one's abilities.

confined to: restricted or limited to a particular space or area.

conflicted: having or showing confused and mutually inconsistent feelings.

conform to: to comply with rules, standards, or laws.

conjecture: an opinion or conclusion formed on the basis of incomplete information.

consistent with: in agreement with something.

contemporary: belonging to or occurring in the present.

contrive: to create or bring about an object or a situation by deliberate use of skill and artifice.

controversial: giving rise or likely to give rise to public disagreement.

convey: to communicate or express something.

corollary: a proposition that follows from one already proved; a natural consequence.

counterintuitive: contrary to what one would intuitively expect.

created: brought something into existence.

credited: attributed to someone or something.

critical: expressing adverse or disapproving comments or judgments.

decentralized: transferred from central to local government or other central authority.

deceptive: giving an appearance or impression different from the true one; misleading.

deciding: resolving or determining a course of action.

decisive: settling an issue; producing a definite result.

defends: protects from harm or danger.

delegate: to entrust a task or responsibility to another person.

delve: to investigate or research deeply.

demands: requests urgently and forcefully.

demonstrative: tending to show feelings, especially of affection, openly.

denied: refused to give or grant something requested or desired.

derived from: obtained something from a specific source.

deviates: departs from an established course.

discernible: able to be perceived or recognized.

disconcerting: causing one to feel unsettled.

discourage: to cause someone to lose confidence or enthusiasm.

disengage: to release from an attachment or connection.

disorienting: making someone feel confused or lost.

disparate: essentially different in kind; not allowing comparison.

dispute: a disagreement, argument, or debate.

distraction: something that prevents someone from giving full attention to something else.

ditty: a short, simple song.

diverge: to separate from another route and go in a different direction.

diversification: the action of diversifying something or the fact of becoming more diverse.

dormant: temporarily inactive or inoperative.

doth: an archaic third-person singular form of "do."

doubts: feelings of uncertainty or lack of conviction.

drafting: preparing a preliminary version of a text or design.

dulcet: sweet and soothing, often used ironically.

dynamic: characterized by constant change, activity, or progress.

eclipse: to obscure the light from or to another celestial body.

edifice: a large, imposing building.

Elizabethan: relating to or characteristic of the reign of Queen Elizabeth I.

elusive: difficult to find, catch, or achieve.

emigrate: to leave one's own country to settle permanently in another.

encourage: to give support, confidence, or hope to someone.

engulfs: to sweep over something so as to surround or cover it completely.

enhance: to intensify, increase, or further improve the quality, value, or extent of something.

ensure: to make certain that something shall occur or be the case.

enthusiasm for: intense and eager enjoyment, interest, or approval.

epitomizing: being a perfect example of something.

equanimity: mental calmness, composure, and evenness of temper, especially in a difficult situation.

establishes: sets up on a firm or permanent basis.

etched: engraved into a surface.

evaluate: to assess the value or impact of something.

evolving: developing gradually, especially from a simple to a more complex form.

exalt: to hold someone or something in very high regard.

exemplified: to be a typical example of something.

experiment with: to try out new ideas or methods.

explains: makes an idea, situation, or problem clear to someone by describing it in more detail.

exquisite: extremely beautiful and delicate.

extensive: covering or affecting a large area.

fabricate: to invent or concoct something, typically with deceitful intent.

fanciful: overimaginative and unrealistic.

dignity: the state or quality of being worthy of honor or respect.

fluctuate: to rise and fall irregularly in number or amount.

foreground: the part of a view that is nearest to the observer.

foretells: predicts or foretells an event in the future.

forge: to create or form something, especially through great effort.

fortify: to strengthen a place with defensive works so as to protect it against attack.

foster: to encourage the development of something, especially something desirable.

fruitless: failing to achieve the desired results; unproductive.

fulfills: to bring to completion or reality; to achieve or realize something desired or promised.

germinate: to begin to grow and develop.

grapple: to engage in a close fight or struggle without weapons.

guild: an association of people for mutual aid or the pursuit of a common goal.

handmade from: made by hand, not by machine, typically with care or skill.

haphazard: lacking any obvious principle of organization.

hast: an archaic second-person singular present form of "have."

healthy: in good health; physically and mentally sound.

hibernation: a state of inactivity and metabolic depression in endotherms.

hierarchical: arranged in order of rank or authority.

hinder: to create difficulties for someone or something, resulting in delay or obstruction.

hypothesize: to propose a hypothesis or explanation based on limited evidence.

illustrate: to explain or make something clear by using examples, charts, or pictures.

imitated: copied or reproduced from something else.

imminent: about to happen.

impartial: treating all rivals or disputants equally; fair and just.

impenetrable: impossible to pass through or enter.

imperceptible: so slight, gradual, or subtle as not to be perceived.

implement: to put a decision, plan, or agreement into effect.

important: of great significance or value.

imposing: grand and impressive in appearance.

impractical: not adapted for use or action; not sensible or realistic.

improve on: to make or become better than something previously.

improvise: to create and perform spontaneously or without preparation.

inadequate: lacking the quality or quantity required; insufficient for a purpose.

inauguration: the formal admission of someone to office.

indecipherable: not able to be read or understood.

independent of: free from outside control; not subject to another's authority.

indicated by: pointed out or suggested by someone or something.

indifference: lack of interest, concern, or sympathy.

indigenous: originating or occurring naturally in a particular place; native.

inexplicable: unable to be explained or accounted for.

infrequent: not occurring often; rare.

inherent: existing in something as a permanent, essential, or characteristic attribute.

innocuous: not harmful or offensive.

inspecting: carefully examining or checking something.

inspirational: providing or showing creative or spiritual inspiration.

interchangeable: able to be exchanged with each other without making a difference.

interjected: said something abruptly, especially as an aside or interruption.

interminable: endless or apparently endless.

interpret: to explain the meaning of something.

intertribal: existing or occurring between different tribes.

intricate: very complicated or detailed.

intriguing: arousing one's curiosity or interest; fascinating.

intuitive: based on what one feels to be true even without conscious reasoning; instinctive.

invalidate: to make an argument, statement, or theory unsound or erroneous.

inventive: having the ability to create or design new things or to think originally.

invertebrate: an animal lacking a backbone.

involuntarily: done without conscious control or will.

iridescent: showing luminous colors that seem to change when seen from different angles.

irrelevant to: not connected with or relevant to something.

jarring: incongruous in a striking or shocking way; clashing.

juvenile: for or relating to young people.

laced: interwoven or entwined.

lacking: not available or in short supply.

languish: to lose or lack vitality; grow weak.

latent: existing but not yet developed or manifest; hidden or concealed.

legitimacy: conformity to the law or to rules.

legitimate: conforming to the law or to rules; legal.

likewise: in the same way; also.

localized: restricted to a particular place.

mandates: official orders or commissions to do something.

mandatory: required by law or rules; compulsory.

manifesto: a public declaration of policy and aims, especially one issued before an election by a political party or candidate.

mastery over: complete control or knowledge of a subject or skill.

melancholy: a feeling of pensive sadness, typically with no obvious cause.

melodic: having or producing melody.

methodology: a system of methods used in a particular area of study or activity.

mimic: to imitate someone or something.

mirth: amusement, especially as expressed in laughter.

misrepresent: to give a false or misleading account of the nature of something.

moderation: the avoidance of excess or extremes.

monarch: a sovereign head of state, especially a king, queen, or emperor.

moreover: in addition to what has been said; besides.

mutation: the changing of the structure of a gene, resulting in a variant form.

mystifying: perplexing and mysterious.

nanotubes: cylindrical molecules with novel properties that make them potentially useful in a wide variety of applications.

neglect: to fail to care for properly.

nondescript: lacking distinctive or interesting features or characteristics.

novel: new or unusual in an interesting way.

nuanced: characterized by subtle shades of meaning or expression.

obscure: not discovered or known about; uncertain.

observant: quick to notice or perceive things.

obtained from: acquired, secured, or collected from a source.

offhand: ungraciously or offensively nonchalant or cool in manner.

operative: functioning or having effect.

ordinary: with no special or distinctive features; normal.

originates: has a specified beginning.

ornamental: serving or intended as an ornament; decorative.

overcome: succeed in dealing with a problem or difficulty.

overreacts: responds more emotionally or forcibly than is justified.

overshadowed by: to appear more important or larger than something else.

paleobiologist: a scientist who studies the biology of fossil organisms.

parasitic: living as a parasite.

participatory: involving or characterized by participation.

paucity: the presence of something in only small or insufficient quantities.

payload: the part of a vehicle's load, especially an aircraft's, from which revenue is derived.

perceive: to become aware or conscious of something.

peripheral: relating to or situated on the edge or periphery of something.

persist: to continue firmly or obstinately in an opinion or course of action despite difficulty or opposition.

persistent: continuing to exist or endure over a prolonged period.

personal: belonging to or affecting a particular person rather than anyone else.

pondering: thinking about something carefully, especially before making a decision.

porous: having minute spaces or holes through which liquid or air may pass.

portal: a doorway, gate, or other entrance, especially a large and imposing one.

portraiture: the art of creating portraits.

posit: to assume as a fact; put forward as a basis of argument.

pragmatic: dealing with things sensibly and realistically.

predation: the preying of one animal on others.

predatory: seeking to exploit or oppress others.

predecessor: a person who held a job or office before the current holder.

predetermined: established or decided in advance.

predicted: said or estimated that something will happen in the future.

premeditated: thought out or planned beforehand.

preponderance: the quality or fact of being greater in number, quantity, or importance.

prescribed: recommended as something beneficial.

prestige: widespread respect and admiration felt for someone or something based on a perception of their achievements or quality.

presume: to suppose that something is the case based on probability.

presupposes: requires as a precondition of possibility or coherence.

prevail: to prove more powerful than opposing forces; be victorious.

prevalent: widespread in a particular area at a particular time.

preventable: able to be prevented or avoided.

proclaims: announces officially or publicly.

produced: made or manufactured from components or raw materials.

profound: very great or intense.

profusion: an abundance or large quantity of something.

prominently: with an important role; to a large extent.

proponent: a person who advocates a theory, proposal, or project.

prosocial: relating to or denoting behavior that is positive, helpful, and intended to promote social acceptance and friendship.

provokes: stimulates or incites someone to do or feel something.

quarrel about: an angry argument or disagreement.

question: to ask questions of someone, especially in an official context.

questioned: raised doubt or uncertainty about something.

react to: respond or behave in a particular way in response to something.

rebut: claim or prove that evidence or an accusation is false.

recant: say that one no longer holds an opinion or belief.

receive: be given, presented with, or paid something.

receptor: an organ or cell able to respond to light, heat, or other external stimuli.

reciprocate: respond to a gesture or action by making a corresponding one.

recognizable: easily identified or acknowledged.

recount: tell someone about something; give an account of an event or experience.

reflect: think deeply or carefully about something.

refute: prove a statement or theory to be wrong or false.

regret: feel sad, repentant, or disappointed over something.

reinforcing: strengthening or supporting something.

relate: to make or show a connection between.

relentless: oppressively constant; incessant.

remember: have in or be able to bring to one's mind an awareness of someone or something.

renounce: formally declare one's abandonment of a claim, right, or possession.

replenishes: fills something up again.

replicable: able to be reproduced or copied.

representative: typical of a class, group, or body of opinion.

repressed by: kept suppressed or held back by someone or something.

reprise: a repeated passage in music or performance.

repudiate: refuse to accept or be associated with.

repulsed: driven back by force.

require: need for a particular purpose.

resilient: able to withstand or recover quickly from difficult conditions.

respectively: separately or individually and in the order already mentioned.

responsiveness to: reacting quickly and positively.

restored: brought back to a former or original condition.

restrained: characterized by reserve or moderation.

retaliates: makes an attack or assault in return for a similar attack.

revitalization: the action of imbuing something with new life and vitality.

ricocheting: rebounding one or more times off a surface.

Rosetta Stone: an ancient Egyptian stone inscribed with three languages, leading to the modern understanding of Egyptian hieroglyphs.

rotunda: a building with a circular ground plan and a dome.

rudimentary: involving or limited to basic principles.

sampler: a person or device that takes or tastes a sample.

satisfactory: fulfilling expectations or needs; acceptable, though not outstanding.

satisfying: giving fulfillment or the pleasure associated with this.

scholarly: involving or relating to serious academic study.

secretive: inclined to conceal feelings and intentions or not to disclose information.

selects: carefully chooses as being the best or most suitable.

shortcomings: a fault or failure to meet a certain standard.

significant: sufficiently great or important to be worthy of attention.

simple: easily understood or done; presenting no difficulty.

situate: fix or build something in a certain place or position.

skeptical: not easily convinced; having doubts or reservations.

smoothly: in a smooth way; without difficulty.

speculate: form a theory or conjecture about a subject without firm evidence.

standard: a level of quality or attainment.

strenuously: in a way that requires great effort and energy.

struggling: striving to achieve or attain something in the face of difficulty or resistance.

study: the devotion of time and attention to acquiring knowledge.

subsequent: coming after something in time; following.

subsist: to maintain or support oneself, especially at a minimal level.

subsistence: the action or fact of maintaining or supporting oneself at a minimal level.

substantial: of considerable importance, size, or worth.

succumb: fail to resist pressure, temptation, or some other negative force.

supplement: something that completes or enhances something else when added to it.

supposition: an uncertain belief.

surmise: suppose that something is true without having evidence to confirm it.

surpassed by: to be exceeded or overtaken by something else.

surprise at: a feeling of mild astonishment or shock caused by something unexpected.

synchronization: the operation or activity of two or more things at the same time or rate.

tenuous: very weak or slight.

tenure: the holding of an office.

thrive: to grow or develop well or vigorously.

tolerate: allow the existence, occurrence, or practice of something without interference.

tranquilly: in a calm or peaceful manner.

transcending: going beyond the limits of something.

unanimity: agreement by all people involved.

undeniable: unable to be denied or disputed.

underestimated: to estimate something as being smaller or less important than it actually is.

underscore: to emphasize or give additional weight to something.

ungainliness: awkwardness or clumsiness.

unimportant: lacking in importance or significance.

unintended: not planned or meant.

universal: relating to or affecting all people or things in the world or in a particular group.

unknown: not known or familiar.

unobtrusive: not conspicuous or attracting attention.

unoriginal: lacking originality; derivative.

unpredictable: not able to be predicted.

useful: able to be used for a practical purpose or in several ways.

validate: check or prove the validity or accuracy of something.

variable: not consistent or having a fixed pattern; liable to change.

verisimilitude: the appearance of being true or real.

veteran: a person who has had long experience in a particular field.

vigor: physical strength and good health.

waive: refrain from insisting on or using a right or claim.

wayward: difficult to control or predict because of unusual or perverse behavior.

widespread: found or distributed over a large area or number of people.

withdraw: remove or take away something from a particular place or position.

worried: anxious or troubled about actual or potential problems.