| basal(adjective, basic, absolute, fundamental, key) |
| bottom(effect, meaning, essence, import, gist) |
| bottom-line(adjective, important, essential, critical, essence) |
| brains(noun, intelligence, wisdom, intellect, sagacity) |
| capacity(noun, intelligence, wisdom, intellect, brains) |
| cardinal(adjective, important, essential, critical, basic) |
| center(strength, effect, subject, meaning, essence) |
| charm |
| clear-headedness(noun, intelligence, wisdom, intellect, brains) |
| cleverness(noun, intelligence, wisdom, intellect, brains) |
| coal-and-ice(adjective, important, essential, critical) |
| cognizance(noun, intelligence, wisdom, intellect, brains) |
| common sense(noun, expression, intelligence, wisdom, intellect) |
| connotation(sense, significance, meaning, import, implication) |
| consciousness(noun, intelligence, wisdom, intellect, brains) |
| consequence(importance, significance, meaning, import, implication) |
| constitutional(adjective, basic, absolute, fundamental, key) |
| constitutive(adjective, important, essential, critical) |
| content(sense, significance, meaning) |
| critical(adjective, important, essential) |