151 entries under source topic. ×
| doer(noun, reason, element, matter) | |
| egg(cause, derivation) | |
| embryo(noun, cause, beginning, heart) | |
| essentiality(cause, origin) | |
| fundamental part(noun, infrastructure) | |
| generator(cause, derivation) | |
| hard fact(noun, expression, base, beginning) | |
| impulse(cause, derivation) | |
| incitement(noun, reason, element, matter) | |
| influence(noun, cause, reason, beginning) | |
| inspiration(cause, derivation) | |
| instigation(noun, reason, element, matter) | |
| keynote(noun, base, beginning, heart) | |
| maker(noun, reason, element, matter) | |
| marrow(cause, origin) | |
| nexus(noun, base, beginning, root) | |
| object(noun, reason, element, matter) | |
| parent(cause, basis, derivation, forerunner) | |
| parentage(cause, derivation) | |
| principal element(noun, expression, base, beginning) |
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| APA | Smart Define. (2015). foundation thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/foundation/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "foundation thesaurus" https://smartdefine.org/foundation/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, foundation thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/foundation/thesaurus/synonyms>. |
| MLA | Smart Define. "foundation thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/foundation/thesaurus/synonyms> |