76 entries under base topic. ×
| occasion(noun, cause, start, reason) | |
| producer(noun, cause, reason, element) | |
| wellspring(noun, cause, start, well) | |
| action(noun, source, foundation, root) | |
| assumption(noun, source, foundation, root) | |
| authority(noun, source, foundation, root) | |
| axiom(noun, source, foundation, root) | |
| backbone(noun, source, foundation, root) | |
| bedrock(noun, start, source, foundation) | |
| chief ingredient(noun, expression, source, foundation) | |
| crux(noun, start, source, foundation) | |
| essence(noun, start, source, foundation) | |
| evidence(noun, source, foundation, root) | |
| footing(noun, start, source, foundation) | |
| hard fact(noun, expression, source, foundation) | |
| infrastructure(noun, start, source, foundation) | |
| justification(noun, source, foundation, root) | |
| keynote(noun, source, foundation, root) | |
| keystone(noun, source, foundation, root) | |
| nexus(noun, source, foundation, root) |
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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> |