acquiesce
affable, amiable, genial
aloof
altruism
ambiguity
ambivalent
anachronism
anomaly
antecedent
antithesis, antipode
assuage
audacious
auspicious, propituous
austere
austerity
autonomous
autonomy
belie
clandestine, surreptitious
conducive
conjecture
covet
covetous
credulous
dearth, paucity
despondent
diffident, self-effacing
endemic
enigma, enigmatic
evocation
fortitude
gregarious
impasse
indifferent, apathetic
inscrutable
meticulous, painstaking, fastidious
mollify
morose
nostalgia
obsolete, archaic, antiquated
pandemic
paradox
pervasive
pragmatic
prattle
presumptuous
prevalent
prudent
recalcitrant
resolute
sarcastic, sardonic, snide
supposition
trite, hackneyed, banal, platitudinous, insipid
ubiquitous
unconventional, unorthodox
unscrupulous
upbraid, reproach, castigate
verdant
wry, droll