117 entries under source topic. ×
| radicle(cause, origin) | |
| radix(cause, origin) | |
| reason(cause, origin) | |
| rhizome(cause, origin) | |
| roots(cause, influence, derivation, ancestry) | |
| seat(cause, origin) | |
| soul(cause, origin) | |
| square one(expression, cause, derivation) | |
| starting place(expression, cause, origin) | |
| stimulus | |
| stuff(cause, origin) | |
| substance(cause, origin) | |
| substratum(cause, origin) | |
| supply(noun, reserve, stock, hoard) | |
| tuber(cause, origin) | |
| underpinning(cause, origin) | |
| upwelling |
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| APA | Smart Define. (2016). well thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/well/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "well thesaurus" https://smartdefine.org/well/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2016, well thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/well/thesaurus/synonyms>. |
| MLA | Smart Define. "well thesaurus" 24 March 2016. Web. 22 September 2026. <https://smartdefine.org/well/thesaurus/synonyms> |