94 entries under foundation topic. ×
| mainspring(noun, cause, reason, idea, object) | |
| action(noun, support, cause, base, beginning) | |
| author(noun, person, cause, reason, base) | |
| essential(noun, adjective, support, action, base) | |
| informant(noun, cause, basis) | |
| keynote(noun, support, action, idea, base) | |
| keystone(noun, support, action, idea, base) | |
| principle(noun, support, action, drop, part) | |
| agent(noun, cause, influence, reason, base) | |
| assumption(noun, support, action, base, beginning) | |
| authority(noun, support, action, cause, substance) | |
| axiom(noun, support, action, base, beginning) | |
| backbone(noun, support, action, quality, character) | |
| background(noun, support, action, base, beginning) | |
| backing(noun, support, action, base, beginning) | |
| causation(noun, cause, reason, base, matter) | |
| chief ingredient(noun, expression, support, action, base) | |
| creator(noun, person, cause, influence, reason) | |
| dawn(cause, start, top, beginning, opening) | |
| dawning(cause, top, beginning, opening) |
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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> |