151 entries under source topic. ×
| entry(cause, start, beginning, origin) | |
| essence(noun, organization, cause, start, base) | |
| essential(noun, adjective, base, beginning) | |
| evidence(noun, cause, reason, idea, base) | |
| explanation(noun, cause, reason, base, element) | |
| forging(cause, start, beginning, origin) | |
| fountainhead(cause, basis, origin, birth) | |
| germ(noun, cause, start, base, beginning) | |
| inducement(noun, cause, reason, base, call) | |
| ingress(cause, start, beginning, origin) | |
| launch(noun, cause, start, beginning) | |
| law(noun, rule, measure, base, beginning) | |
| leaven(noun, cause, reason, element, matter) | |
| mainspring(noun, cause, start, reason, base) | |
| matter(noun, organization, reason, element, arrangement) | |
| motivation(noun, cause, reason, element, matter) | |
| motive(noun, cause, start, reason, base) | |
| nativity(noun, cause, start, beginning) | |
| opener(cause, beginning, origin, birth) | |
| originator(noun, cause, reason, element, matter) |
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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> |