| sensible(adjective, good, sound, reasonable, smart) |
| sharp(adjective, smart, bright, intelligent, knowledgeable) |
| speculative(adjective, thoughtful, abstract, theoretical, reflective) |
| studious(adjective, reasonable, smart, rational, intelligent) |
| whiz(noun, person, smart, bright, informal) |
| wordsmith |
| analytical(adjective, sound, reasonable, sensible, rational) |
| bookworm(noun, authority, thoughtful, serious, expert) |
| capable(adjective, smart, bright, intelligent, brainy) |
| cognitive(adjective, sound, reasonable, sensible, rational) |
| competent(adjective, smart, bright, intelligent, knowing) |
| cultured(adjective, serious, wise, knowledgeable, learned) |
| experienced(adjective, knowledgeable, cultured, knowing, educated) |
| high-brow(smart, brain) |
| keen(adjective, reasonable, smart, bright, deep) |
| mandarin(noun, sage) |
| perspicacious(adjective, sound, reasonable, smart, bright) |
| philosophical(adjective, sound, deep, thoughtful, abstract) |
| phrenic(adjective, smart, rational, intelligent, knowledgeable) |
| platonic(adjective, love) |