| brain(noun, person, understanding, power, spirit) |
| intelligence(noun, feeling, understanding, energy, spirit) |
| mind(noun, person, feeling, understanding, philosophy) |
| understanding(noun, feeling, philosophy, character, position) |
| reason(noun, feeling, understanding, power, energy) |
| genius(noun, feeling, understanding, power, energy) |
| wit(noun, feeling, understanding, philosophy, character) |
| brains(noun, feeling, understanding, power, philosophy) |
| intellectual(noun, person, understanding, power, spirit) |
| sense(noun, understanding, philosophy, character, position) |
| mentality(noun, nature, state, feeling, understanding) |
| acumen(noun, understanding, ability, mind, reason) |
| capacity(noun, nature, quality, feeling, understanding) |
| comprehension(noun, understanding, philosophy, character, position) |
| aptitude(noun, understanding, mind, understand, sense) |
| thinker(noun, person, understanding, power, spirit) |
| rationality(noun, understanding, philosophy, character, position) |
| wisdom(noun, feeling, understanding, power, knowledge) |
| ability(noun, feeling, understanding, mind, grasp) |
| brainpower(noun, understanding, power, philosophy, character) |