| induction(noun, understanding, mind, sense, intelligence) |
| inference(noun, understanding, mind, sense, intelligence) |
| intellection(noun, take, understanding, taste, mind) |
| ken(noun, understanding, light, knowledge, mind) |
| know-how(noun, understanding, mind, skill, intelligence) |
| knowingness |
| level-headedness(noun, fairness, rationality, sensibleness) |
| light(noun, take, feeling, understanding, knowledge) |
| limits(noun, understanding, mind, sense, intelligence) |
| logic(noun, understanding, knowledge, mind, reason) |
| long-headedness |
| longheadedness |
| longsightedness |
| lucidity(noun, understanding, mind, sense, intelligence) |
| lucidness(wit, prudence, stability, soundness, rationality) |
| marbles(noun, understanding, mind, sense, intelligence) |
| mark(noun, characteristic, quality, division, difference) |
| marking(noun, characteristic, quality, division, difference) |
| maturity(noun, intelligence, responsibility, attention, judgment) |
| mental analysis(noun, expression, understanding, mind, sense) |