683 entries under noun topic. ×
| percipience(understanding, power, spirit, mind) | |
| resolve(verb, study, order, fix) | |
| soul(feeling, understanding, power, cause) | |
| soundness(power, knowledge, spirit, mind) | |
| spring(cause, start, object, aim) | |
| why and wherefore(expression, idiom, action, cause) | |
| answer(verb, fix, consider, oppose) | |
| capacity(feeling, understanding, power, turn) | |
| claim(verb, present, maintain, case) | |
| conception(form, end, feeling, understanding) | |
| defence | |
| design(form, end, feeling, understanding) | |
| determinant(feature, cause, influence, issue) | |
| exposition(action, cause, argument, explanation) | |
| influence(verb, feature, get, feeling) | |
| insight(feeling, understanding, knowledge, mind) | |
| instance(case, situation, occasion, occurrence) | |
| lucidity(understanding, power, spirit, mind) | |
| normality(wit, prudence, stability, soundness) | |
| presumption(support, action, base, belief) |
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| APA | Smart Define. (2016). reason thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/reason/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "reason thesaurus" https://smartdefine.org/reason/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2016, reason thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/reason/thesaurus/synonyms>. |
| MLA | Smart Define. "reason thesaurus" 25 February 2016. Web. 27 September 2026. <https://smartdefine.org/reason/thesaurus/synonyms> |