| scholarly(adjective, familiar, refined, knowledgeable, informed) |
| scholastic(adjective, academic) |
| schooled(familiar, knowledgeable, informed) |
| sharp(adjective, smart, familiar, practical, expert) |
| shrewd(adjective, knowing) |
| staved |
| up(adjective, adverb, familiar, knowledgeable, skilled) |
| up-to-date(adjective, adverb, familiar, refined, knowledgeable) |
| abstruse(knowledgeable, cultured, educated, erudite, enlightened) |
| academic(knowledgeable, cultured, educated, erudite, enlightened) |
| accustomed(familiar, knowledgeable, skilled, qualified, informed) |
| aged(ready, tired, gray, prepared, mature) |
| alert(adjective, familiar, informed, learned, educated) |
| alive(adjective, cool, sensible, familiar, knowledgeable) |
| along in years(expression, tired, gray, mature, aged) |
| ancient(tired, gray, mature, aged, older) |
| appreciative(adjective, familiar, polite, sophisticated, refined) |
| apprehensive(adjective, cool, sensible, familiar, knowledgeable) |
| apprised(adjective, familiar, informed, savvy, learned) |
| apt(adjective, smart, practical, expert, skilled) |