86 entries under reason topic. ×
| explanation(noun, support, action, cause, point) | |
| impulse(noun, cause, influence, object) | |
| inducement(noun, cause, object, base) | |
| influence(noun, cause, object, base) | |
| justification(noun, support, action, cause) | |
| matter(noun, drop, part, material) | |
| motivation(noun, cause, object, matter) | |
| originator(noun, person, cause, authority) | |
| premise(noun, support, action, cause) | |
| pretext(noun, cause, base, call) | |
| prime mover(noun, expression, matter, source) | |
| producer(noun, cause, influence, base) | |
| proof(noun, support, action, cause) | |
| purpose(noun, cause, object, matter) | |
| rationale(noun, cause, object, base) | |
| wherefore(noun, cause, base, call) | |
| why(noun, cause, base, call) | |
| whyfor(noun, cause, base, call) | |
| agency(noun, matter, source, agent) | |
| call(basis, justification) |
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| APA | Smart Define. (2016). root thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/root/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "root thesaurus" https://smartdefine.org/root/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2016, root thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/root/thesaurus/synonyms>. |
| MLA | Smart Define. "root thesaurus" 2 March 2016. Web. 21 September 2026. <https://smartdefine.org/root/thesaurus/synonyms> |