201 entries under cause topic. ×
| rise(noun, start, top, beginning) | |
| roots(noun, source, derivation) | |
| start(noun, verb, form, fix) | |
| substratum(noun, support, action, reason) | |
| underpinning(noun, organization, support, action) | |
| wellspring(noun, start, beginning, well) | |
| birthplace(foundation, basis) | |
| bud | |
| determinant(noun, reason, object, base) | |
| element(noun, feature, drop, part, quality) | |
| essentiality(noun, quality, character, spirit) | |
| font(noun, supply, source, foundation) | |
| force | |
| fundamental(noun, adjective, support, action, drop) | |
| generator(noun, source, derivation) | |
| home(noun, foundation, basis, center) | |
| idea(noun, reason, object, standard) | |
| inspiration(noun, influence, reason, object) | |
| mainspring(noun, reason, idea, object) | |
| outset(noun, start, top, beginning) |
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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> |