89 entries under reason topic. ×
| foundation(noun, cause, measure, idea) | |
| inducement(noun, cause, base, call) | |
| infrastructure(noun, support, action, cause) | |
| justification(noun, support, action, power, cause) | |
| logic(noun, case, claim, argument) | |
| motive(noun, cause, base, call) | |
| occasion(noun, cause, base, call) | |
| pretext(noun, cover, cause, base) | |
| rationale(noun, cause, idea, case) | |
| root(noun, support, action, cause) | |
| straight stuff(noun, expression, cause, base) | |
| substratum(noun, support, action, cause) | |
| underpinning(noun, support, action, cause) | |
| vindication(noun, cause, idea, case) | |
| why and wherefore(noun, expression, idiom, cause) | |
| airtight case(expression, case, account, explanation) | |
| allegation(case, account, explanation, excuse) | |
| answer(case, account, explanation, excuse) | |
| avowal(case, account, explanation, excuse) | |
| call(basis, justification) |
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| Harvard | Smart Define 2015, proof thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/proof/thesaurus/synonyms>. |
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