| enlightened(adjective, smart, bright, brainy) |
| exceptional(adjective, smart, bright, brainy) |
| highbrowed(rational, intelligent, thoughtful, knowledgeable) |
| imaginative(adjective, smart, bright, brainy) |
| ingenious(adjective, smart, bright, brainy) |
| instructed(adjective, smart, bright, brainy) |
| intellective(rational, intelligent, thoughtful, knowledgeable) |
| intellectual(smart, bright, rational, intelligent, knowledgeable) |
| keen(adjective, smart, bright, brainy) |
| knowing(adjective, smart, bright, brainy) |
| knowledgeable(adjective, smart, bright, rational, intelligent) |
| learned(rational, intelligent, thoughtful, knowledgeable) |
| logical(rational, intelligent, knowledgeable) |
| mental(rational, intelligent, thoughtful, knowledgeable) |
| original(adjective, smart, bright, brainy) |
| penetrating(adjective, smart, bright, brainy) |
| perceptive(adjective, smart, bright, brainy) |
| perspicacious(adjective, smart, bright, brainy) |
| phrenic(rational, intelligent, thoughtful, knowledgeable) |
| profound(adjective, smart, bright, brainy) |