All terms in this list:

candid: completely honest, straightforward

conjecture: inference; guesswork

didactic: instructive

euphemism: a mild, indirect, or vague term substituting for a harsh, blunt, or offensive term

extrapolate: to infer or estimate be extending or projecting known information

incoherent: lacking cohesion or connection

insinuate: to introduce or communicate stealthily

lucid: easily understood; clear

rhetoric: the art of using language effectively and persuasively

acumen: quickness, accuracy, and keenness of judgment or insight

adroit: dexterous; deft

ascertain: to find out, as through investigation or experimentation

astute: shrewd; clever

circumspect: careful; prudent; discreet

disseminate: to scatter wildly, as in sowing seed

erudition: deep, extensive learning

husbandry: the application of scientific principles to agriculture, especially to animal breeding

pedantic: excessively concerned with book learning and formal rules

perspicacious: Shrewd; clear-sighted

pragmatic: practical

precocious: exhibiting unusually early intellectual aptitude or maturity

prospectus: formal proposal

rudimentary: basic; elementary; in the earliest stages of development

abstruse: difficult to understand

callous: emotionally hardened; unfeeling

convoluted: intricate; complex

enigma: a puzzle, mystery, or riddle

inscrutable: difficult to fathom or understand; impenetrable

reticent: inclined to keep silent; reserved

staid: unemotional; serious

arcane: known or understood by only a few

assimilate: to absorb or become absorbed; to make or become similar

autonomy: independence; self-determination

cosmopolitan: worldly; widely sophisticated

derivative: something that comes from another source

entourage: a group of attendants or associates; a retinue

esoteric: intended for or understood by only a small group

gaffe: a clumsy social error; a faux pas

idiosyncrasy: characteristic peculiar to an individual or group

insular: isolated; narrow or provincial

orthodox: adhering to the traditional and established, especially in religion

potentate: one who has the power and position to rule over others; monarch

castigate: to scold, rebuke, or harshly criticize

censure: to issue official blame

denounce: to condemn openly

reclusive: seeking or preferring seclusion or isolation

relinquish: to retire from; give up or abandon

renounce: to give up (a title, for example), especially by formal announcement

vituperative: marked by harshly abusive condemnation

circumscribe: to draw a circle around; to restrict

contiguous: sharing an edge or boundary; touching