177 entries under base topic. ×
| substratum(noun, support, action, cause, reason) | |
| support(noun, verb, organization, action, praise) | |
| underpinning(noun, organization, support, action, cause) | |
| bed(support, substance, authority, rest) | |
| cornerstone(noun, idea, essence, basis) | |
| determinant(noun, cause, reason, object) | |
| element(noun, feature, drop, part, quality) | |
| essentiality(noun, quality, cause, character, spirit) | |
| foot(noun, support, substance, rest) | |
| fundamental(noun, adjective, support, action, drop) | |
| inspiration(noun, cause, influence, reason, object) | |
| mainspring(noun, cause, reason, idea, object) | |
| moor(verb, form, place, set, start) | |
| rivet(noun, verb, form, place, set) | |
| rock bottom(noun, expression, cause, core) | |
| stick(verb, form, place, set, start) | |
| action(noun, support, cause, beginning) | |
| argument(noun, cause, reason, call) | |
| author(noun, person, cause, reason) | |
| bottom line(noun, expression, support, body, spirit) |
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| APA | Smart Define. (2016). root thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/root/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "root thesaurus" https://smartdefine.org/root/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2016, root thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/root/thesaurus/synonyms>. |
| MLA | Smart Define. "root thesaurus" 2 March 2016. Web. 20 September 2026. <https://smartdefine.org/root/thesaurus/synonyms> |