| justification(noun, support, action, base, beginning) |
| key components(expression, detail, importance, element) |
| key details(expression, part, detail, element, key) |
| keynote(noun, support, action, base, beginning) |
| keystone(noun, support, action, base, beginning) |
| law(noun, support, action, base, beginning) |
| nexus(noun, support, action, base, beginning) |
| nucleus(noun, support, action, base, beginning) |
| postulate(noun, support, action, base, beginning) |
| premise(noun, support, action, base, beginning) |
| presumption(noun, support, action, base, beginning) |
| presupposition(noun, support, action, base, beginning) |
| principle(noun, support, action, base, beginning) |
| proof(noun, support, action, base, beginning) |
| reason(noun, support, action, base, beginning) |
| root(noun, support, action, base, beginning) |
| rudiment(noun, support, action, base, beginning) |
| sanction(noun, support, action, base, beginning) |
| security(noun, support, action, base, beginning) |
| source(noun, support, action, base, beginning) |