Altruistic
(adj.) showing a disinterested and selfless concern for the well-being of others; unselfish
Assent
(n.) the expression of approval or agreement
Benefactor
(n.) a person who gives money or other help to a person or cause
Chivalrous
(adj.) courteous and gallant, especially toward women (typically used of a man or his behavior)
Clemency
(n.) mercy; lenience
Dearth
(n.) a scarcity or lack of something
Diffident
(adj.) modest or shy because of a lack of self-confidence
Discrepancy
(n.) a lack of compatibility or similarity between two or more facts
Embark
(v.) go on board a ship, aircraft, or other vehicle
Facile
(adj.) (especially of a theory or argument) appearing neat and comprehensive only by ignoring the true complexities of an issue; superficial
Indomitable
(adj.) impossible to subdue or defeat
Infallible
(adj.) incapable of making mistakes or being wrong
Plod
(v.) walk doggedly and slowly with heavy steps
Pungent
(adj.) having a sharply strong taste or smell
Remiss
(adj.) lacking care or attention to duty; negligent
Repose
(n.) a state of rest, sleep, or tranquility
Temerity
(n.) excessive confidence or boldness; audacity
Truculent
(adj.) eager or quick to argue or fight; aggressively defiant
Unfeigned
(adj.) genuine; sincere
Virulent
(adj.) (of a disease or poison) extremely severe or harmful in its effects