| abstrusity |
| angle(noun, concept, understanding, view, idea) |
| archness |
| aspect(noun, concept, understanding, view, idea) |
| astucity(noun, understanding, taste, mind, grasp) |
| balance(understanding, knowledge, sense, wisdom, perceptiveness) |
| brain(noun, ability, intelligence, wisdom, inspiration) |
| braininess |
| breadth of view(noun, expression, idiom, concept, understanding) |
| castles in the air(noun, expression, idiom, concept, understanding) |
| clear thinking(expression, understanding, knowledge, sense, judgment) |
| cognizance(noun, sensibility) |
| common sense(noun, expression, understanding, knowledge, mind) |
| concept(noun, understanding, view, idea, image) |
| conception(noun, concept, understanding, view, idea) |
| consciousness(noun, sensibility) |
| deceit(skill, treachery, cunning, craftiness, wiles) |
| discretion |
| divination(noun, concept, understanding, view, idea) |
| drollness(noun, wit) |