| brain(noun, understanding, power, spirit, ability) |
| depth(noun, understanding, penetration, perceptiveness, intelligence wisdom) |
| discrimination(noun, feeling, understanding, knowledge, mind) |
| good sense(noun, expression, idiom, knowledge, reason) |
| horse sense(noun, expression, idiom, understanding, ability) |
| scholarship(noun, study, understanding, knowledge, system) |
| wiseness |
| rationality(noun, understanding, knowledge, mind, reason) |
| advisability |
| sophistication(noun, action, understanding, information, knowledge) |
| gumption(noun, feeling, understanding, knowledge, ability) |
| reasonableness(noun, understanding, knowledge, mind, reason) |
| sagaciousness(noun, understanding, mind, sense, intelligence) |
| tact(noun, action, feeling, understanding, knowledge) |
| circumspection(noun, understanding, knowledge, reason, restraint) |
| cleverness(noun, feeling, understanding, mind, skill) |
| genius(noun, power, spirit, mind, reason) |
| logic(noun, understanding, knowledge, mind, reason) |
| sanity(noun, feeling, understanding, power, knowledge) |
| sensibleness(noun, understanding, knowledge, mind, reason) |