| creativity(noun, power, spirit, mind, reason) |
| demeanor(noun, philosophy, position, opinion, ideas) |
| discernment(noun, understanding, mind, understand, sense) |
| encephalon |
| faculty(noun, power, spirit, mind, reason) |
| function(noun, power, spirit, mind, reason) |
| genius(noun, understanding, power, spirit, mind) |
| gray matter(noun, expression, understanding, mind, skill) |
| grey matter |
| head(noun, power, spirit, mind, reason) |
| humour |
| imagination(noun, power, spirit, mind, reason) |
| ingenuity(noun, understanding, power, spirit, mind) |
| instinct(noun, power, spirit, mind, reason) |
| intellectual(noun, understanding, power, spirit, mind) |
| intellectual power(noun, expression, intelligence, intellect) |
| intellectuality(noun, understanding, power, spirit, mind) |
| intelligence quotient(noun, expression, understanding, philosophy, character) |
| intuition(noun, understanding, power, spirit, mind) |
| judgment(noun, understanding, mind, reason, understand) |