| well-educated(knowledgeable, cultured, educated, erudite, enlightened) |
| well-informed(knowledgeable, cultured, educated, erudite, enlightened) |
| well-read(knowledgeable, cultured, educated, erudite, enlightened) |
| abstruse(sound, knowledgeable, cultured, educated, erudite) |
| academic(sound, knowledgeable, cultured, educated, erudite) |
| accomplished(knowledgeable, cultured, educated, erudite, enlightened) |
| accurate(sound, correct, reasonable, proper, rational) |
| adamantine |
| admissible |
| audible(exact, specific, explicit) |
| authentic(good, sound, right, reasonable, rational) |
| balanced(adjective, reason, sane) |
| bold(exact, specific, explicit) |
| bona fide(expression, good, sound, right, reasonable) |
| bookish(sound, knowledgeable, cultured, educated, erudite) |
| brainy(knowledgeable, cultured, educated, erudite, enlightened) |
| bulky |
| calculable |
| categorical(exact, absolute, specific, explicit, indisputable) |
| certain |