| intellect(noun, understanding, power, spirit, mind) |
| capacity(noun, power, spirit, mind, reason) |
| conception(noun, power, spirit, mind, reason) |
| sense(noun, understanding, ability, mind, reason) |
| erudition(noun, knowledge, education, learnedness) |
| intelligence(noun, understanding, ability, mind, reason) |
| ability(noun, understanding, intelligence, judgment, intellect) |
| consciousness(noun, power, spirit, mind, reason) |
| instinct(noun, power, spirit, mind, reason) |
| mentality(noun, understanding, power, spirit, ability) |
| mind(noun, understanding, ability, reason, sense) |
| reason(noun, understanding, power, spirit, ability) |
| understanding(noun, ability, mind, reason, sense) |
| bookishness(noun, knowledge, refinement, education, savvy) |
| brain(noun, understanding, power, spirit, mind) |
| brains(noun, understanding, power, knowledge, spirit) |
| caliber |
| calibre |
| comprehension(noun, understanding, ability, intelligence, judgment) |
| culture(noun, knowledge, refinement, education, savvy) |