| inventiveness(noun, wit, mastermind, prodigy) |
| keenness(noun, intelligence, judgment, wisdom, vision) |
| ken(noun, understanding, knowledge, mind, grasp) |
| know-how(noun, understanding, knowledge, mind, intelligence) |
| mahatma(mentor, adviser) |
| mastery(noun, understanding, mind, grasp, sense) |
| mental age(noun, expression, understanding, philosophy, character) |
| perspicuity(noun, intelligence, judgment, wisdom, vision) |
| philosopher(mentor, adviser) |
| polymath |
| profundity(noun, intelligence, wisdom, insight) |
| sagaciousness(noun, intelligence) |
| sanity(noun, feeling, understanding, power, spirit) |
| skill(noun, understanding, understand, sense, savvy) |
| spirit(noun, nature, feeling, understanding, power) |
| thinking |
| virtuoso(noun, mastermind, prodigy) |
| élan vital(expression, feeling, energy, spirit, mind) |
| Wunderkind(noun, wonder, genius, whiz, sensation) |
| adept(noun, mastermind, prodigy) |