Ameliorate (v.)
become better; make better; improve; enhance
Amelioration (n.)
improvement
Conserve (v.)
keep from waste, loss, or decay; save
Conservation (n.)
preservation from loss, injury, or waste
Conservationist (n.)
one who advocates the conservation of natural resources
Detriment (n.)
injury, damage, or something that causes it; disadvantage
Detrimental (adj.)
harmful; damaging
Exotic (adj.)
introduced from another country; foreign
strikingly unusual; strange
Folly (n.)
lack of good sense; foolish action or undertaking
Formerly (adj.)
in an earlier period; previously
Former (adj.)
preceding; previous
Harmony (n.)
peaceable or friendly relations; accord; agreement; tranquility; concord
Harmonious (adj.)
friendly; amicable
Ignore (v.)
refuse to take notice of; disregard
Ignoramus (n.)
ignorant, stupid person; dunce; dolt; dullard; nincompoop
Impediment (n.)
something that hinders or obstructs; hinderance; obstacle
Impede (v.)
interfere with or slow the progress of; hinder; obstruct
Indolent (adj.)
disposed to avoid exertion; lazy; idle; lethargic
Indolence (n.)
idleness; laziness
Intact (adj.)
untouched by anything that damages or diminishes; left complete or entire; uninjured
Invalid (adj.)
not binding in law; having no force or effect; void; nugatory
Invalidate (v.)
abolish; annul
Invalid (n.)
sickly or disabled person
Noncarcinogenic (adj.)
not producing, or tending to produce cancer
Parsimonious (adj.)
unduly sparing in the spending of money; stingy; miserly; tightfisted
Parsimony (n.)
stinginess; parsimoniousness
Raze (v.)
destroy utterly by tearing down; demolish; level
Reticent (adj.)
inclined to be silent or secretive; uncommunicative; reserved
Reticence (n.)
restraint in communicating
Retire (v.)
withdraw from active duty or business
go to bed
Retort (v.)
answer; reply sharply or angrily
Retort (n.)
quick, witty, or sharp reply; answer
Subvert (v.)
overturn or overthrow from the foundation; undermine
Subversion (n.)
sabotage; undermining
Tractable (adj.)
easily led, taught, or controlled; yielding; docile; amenable
Tractability (n.)
obedience