| keystone(noun, law, regulation, action, idea) |
| warrant(noun, action, cause, reason, base) |
| argument(noun, concept, understanding, philosophy, cause) |
| axiom(noun, law, regulation, action, rule) |
| factor(noun, drop, part, cause, reason) |
| floor(noun, support, base, foundation, ground) |
| hypothesis(noun, concept, understanding, philosophy, plan) |
| occasion(noun, cause, start, reason, object) |
| point(noun, quality, character, strength, spirit) |
| postulate(noun, concept, law, action, understanding) |
| proof(noun, action, cause, reason, measure) |
| substance(noun, organization, area, quality, cause) |
| theorem(noun, concept, law, action, understanding) |
| assertion(noun, idea, argument, evidence, principle) |
| background(noun, organization, action, study, increase) |
| basement(noun, support, rest, base, balance) |
| consideration(noun, study, cause, reason, object) |
| determinant(noun, cause, reason, object, base) |
| excuse(noun, cause, reason, base, call) |
| explanation(noun, action, cause, reason, base) |