140 entries under basis topic. ×
| bedrock(noun, support, action, cause, start) | |
| cover(noun, verb, study, consider, cause) | |
| essence(noun, form, support, action, end) | |
| heart(noun, support, action, feeling, understanding) | |
| infrastructure(noun, support, action, cause, start) | |
| mainspring(noun, feeling, cause, start, object) | |
| notion(noun, form, end, feeling, understanding) | |
| premise(noun, support, action, cause, base) | |
| story(noun, action, trick, approval, argument) | |
| stuff(noun, good, feeling, understanding, cause) | |
| substratum(noun, support, action, cause, start) | |
| theory(noun, form, support, action, end) | |
| underpinning(noun, support, action, cause, start) | |
| demonstration(noun, information, cause, base, call) | |
| absolution(noun, approval, argument, explanation, excuse) | |
| acquittal(noun, approval, argument, explanation, excuse) | |
| action(noun, support, drive, desire, interest) | |
| advocacy(noun, approval, argument, explanation, excuse) | |
| authority(noun, support, action, stay, substance) | |
| bottom(noun, feeling, cause, start, energy) |
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| APA | Smart Define. (2016). reason thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/reason/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "reason thesaurus" https://smartdefine.org/reason/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2016, reason thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/reason/thesaurus/synonyms>. |
| MLA | Smart Define. "reason thesaurus" 25 February 2016. Web. 23 September 2026. <https://smartdefine.org/reason/thesaurus/synonyms> |