160 entries under source topic. ×
| groundwork(noun, cause, origin) | |
| hard fact(noun, expression, support, action, base) | |
| inception(cause, influence, beginning, origin) | |
| infrastructure(noun, support, action, cause, start) | |
| justification(noun, support, action, base, beginning) | |
| law(noun, support, action, base, beginning) | |
| mainspring(cause, connection, origin, derivation) | |
| motive(cause, origin, derivation) | |
| nut(noun, beginning, stone, seed) | |
| occasion(cause, origin, derivation) | |
| ovule(noun, cause, beginning, stone) | |
| parent(cause, influence, connection, derivation) | |
| parentage(cause, influence, connection, derivation) | |
| presumption(noun, support, action, base, beginning) | |
| presupposition(noun, support, action, base, beginning) | |
| principal element(noun, expression, support, action, base) | |
| progenitor(cause, influence, connection, derivation) | |
| proof(noun, support, action, base, beginning) | |
| provenance(cause, influence, origin, derivation) | |
| provenience(noun, cause, influence, origin) |
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| APA | Smart Define. (2015). nucleus thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/nucleus/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "nucleus thesaurus" https://smartdefine.org/nucleus/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, nucleus thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/nucleus/thesaurus/synonyms>. |
| MLA | Smart Define. "nucleus thesaurus" 24 December 2015. Web. 22 September 2026. <https://smartdefine.org/nucleus/thesaurus/synonyms> |