158 entries under source topic. ×
| creation(noun, cause, top, opening) | |
| derivation(noun, cause, foundation, root) | |
| fount(noun, cause, supply, foundation) | |
| keynote(noun, law, regulation, action, substance) | |
| nexus(noun, action, base, beginning, answer) | |
| nub(noun, quality, body, cause, start) | |
| sanction(noun, action, base, permit, beginning) | |
| action(noun, study, cause, reason, base) | |
| ancestor(cause, derivation) | |
| backing(noun, action, base, beginning) | |
| causation(noun, cause, reason, matter, beginning) | |
| center(noun, action, body, cause, start) | |
| end(noun, cause, reason, object, matter) | |
| essential(noun, action, base, beginning, heart) | |
| initiation(cause, top, opening, creation) | |
| introduction(cause, top, opening, creation) | |
| marrow(noun, quality, cause, start, character) | |
| motivation(noun, cause, reason, object, matter) | |
| pith(noun, organization, area, quality, body) | |
| radix(cause, origin) |
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| APA | Smart Define. (2015). basis thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/basis/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "basis thesaurus" https://smartdefine.org/basis/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, basis thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/basis/thesaurus/synonyms>. |
| MLA | Smart Define. "basis thesaurus" 22 December 2015. Web. 20 September 2026. <https://smartdefine.org/basis/thesaurus/synonyms> |