| proposition(suggestion, analysis, theory, calculation, supposition) |
| provocation(noun, cause, reason, spur, lure) |
| raison d'etre(noun, action, reason, logic) |
| rational ground |
| rationales |
| reason for |
| rebuttal(noun, reason, approval, argument, explanation) |
| redemption(noun, reason, approval, argument, explanation) |
| relationship(quiet, philosophy, connection, sense, forlorn) |
| rendering(noun, report, account, answer, meaning) |
| rendition(noun, report, account, answer, meaning) |
| reply(noun, reason, approval, argument, explanation) |
| representation(noun, report, account, answer, meaning) |
| response(noun, reason, approval, argument, explanation) |
| rhyme or reason(noun, expression, idiom, good, sense) |
| right(noun, cause, reason, ground) |
| root(noun, cause, reason, object, base) |
| salvation(noun, reason, approval, argument, explanation) |
| sanctification(noun, reason, approval, argument, explanation) |
| sanity(quiet, philosophy, reason, connection, sense) |