| instinct(noun, power, turn, ability, mind) |
| intellectual(noun, understanding, ability, mind, reason) |
| intelligence operation(noun, expression, idiom) |
| intelligence quotient(noun, expression) |
| ken(noun, take, understanding, knowledge, mind) |
| know-how(noun, study, understanding, knowledge, ability) |
| knowing(noun, understanding, mind, grasp, sense) |
| leak(noun, information, report, material, account) |
| light(noun, understanding, awareness, acquaintance, familiarity) |
| lowdown(noun, order, work, communication, information) |
| mention(communication, connection, talk, transfer, contact) |
| note(noun, order, work, communication, understanding) |
| parts(skill, intellect, intelligence wisdom) |
| picture(noun, order, understanding, information, note) |
| pointer(noun, advice) |
| power(noun, understanding, turn, strength, ability) |
| precocity(noun, understanding, ability, mind, understand) |
| precognition |
| prehension(noun, take, understanding, knowledge, mind) |
| prompt(noun, advice) |