| omniscient(adjective, knowledge, familiar, informed, cultured) |
| sapient(adjective, sound, sharp, sensible, intelligent) |
| streetwise(adjective, knowing) |
| studious(adjective, knowledgeable, intellectual, cultured, learned) |
| up-to-date(knowledgeable, informed, experienced, civilized, conversant) |
| up on(expression, knowledgeable, conversant, well-versed) |
| urbane(adjective, refined, experienced, culture, cultured) |
| abstruse(knowledgeable, cultured, erudite, enlightened, scholarly) |
| acquainted(adjective, knowledge, familiar, knowledgeable, informed) |
| adept |
| aimed |
| au courant(expression, adjective, familiar, polite, refined) |
| brainy(adjective, familiar, knowledgeable, informed, intellectual) |
| bred(adjective, developed, cultivated, nurtured) |
| briefed(adjective, knowledgeable, trained, conversant, well-versed) |
| brilliant(familiar, informed, well-informed) |
| cerebral(intellectual, learned, enlightened, studious, deep-thinking) |
| deep(knowledgeable, cultured, erudite, scholarly) |
| disciplined |
| elegant(adjective, refined, cultured) |