76 entries under base topic. ×
| fountainhead(noun, cause, start, rise, point) | |
| author(noun, cause, reason, element) | |
| principle(noun, cause, reason, matter) | |
| square one(noun, expression, action, cause, start) | |
| agent(noun, cause, reason, element) | |
| background(noun, source, foundation, root) | |
| backing(noun, source, foundation, root) | |
| causation(noun, cause, reason, element) | |
| center(noun, start, source, foundation) | |
| creator(noun, cause, reason, element) | |
| determinant(noun, cause, reason, element) | |
| egg(noun, cause, stone, well) | |
| element(noun, cause, reason, matter) | |
| essential(noun, adjective, clear, simple, plain) | |
| explanation(noun, reason, element, matter) | |
| ground(noun, start, reason, matter) | |
| inducement(noun, cause, start, reason) | |
| mainspring(noun, cause, start, reason) | |
| motive(noun, cause, start, reason) | |
| nucleus(noun, cause, start, stone) |
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| APA | Smart Define. (2015). beginning thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/beginning/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "beginning thesaurus" https://smartdefine.org/beginning/thesaurus/synonyms (accessed September 21, 2026). |
| Harvard | Smart Define 2015, beginning thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/beginning/thesaurus/synonyms>. |
| MLA | Smart Define. "beginning thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/beginning/thesaurus/synonyms> |