| rationalness(noun, good, understanding, sense, short) |
| reasoning(noun, intelligence, wisdom, intellect, brains) |
| recognition(noun, intelligence, wisdom, intellect, brains) |
| rhyme or reason(noun, expression, idiom, good, understanding) |
| sagacity(noun, intelligence, wisdom, intellect, brains) |
| sanity(noun, intelligence, wisdom, intellect, brains) |
| sentiment(noun, intelligence, wisdom, intellect, brains) |
| sharpness(noun, intelligence, wisdom, intellect, brains) |
| smarts(noun, intelligence, wisdom, intellect, brains) |
| soul(noun, intelligence, wisdom, intellect, brains) |
| spirit(noun, intelligence, wisdom, intellect, brains) |
| tact(noun, intelligence, wisdom, intellect, brains) |
| thought(noun, intelligence, wisdom, intellect, brains) |
| wisdom(noun, intelligence, intellect, brains, sagacity) |
| wit(noun, intelligence, wisdom, intellect, brains) |