151 entries under source topic. ×
| pith(body, cause, heart, center) | |
| presumption(noun, concept, understanding, philosophy, plan) | |
| prime mover(noun, expression, idiom, cause, reason) | |
| producer(noun, cause, reason, element, matter) | |
| proof(noun, cause, reason, measure, idea) | |
| provenance(noun, cause, start, beginning) | |
| provenience(noun, cause, start, beginning) | |
| quick(body, cause, heart, center) | |
| sanction(noun, base, permit, beginning) | |
| security(noun, base, permit, beginning, sanction) | |
| seed(noun, cause, start, base, beginning) | |
| stock(noun, cause, plan, resolve, account) | |
| theory(noun, concept, philosophy, rule, system) | |
| well(cause, start, beginning, root) | |
| action(noun, study, base, exercise, beginning) | |
| aim(noun, reason, element, matter) | |
| ancestor(cause, derivation, forerunner, predecessor) | |
| causality(cause, derivation) | |
| chief ingredient(noun, expression, base, beginning) | |
| connection(cause, basis, derivation) |
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| APA | Smart Define. (2015). foundation thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/foundation/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "foundation thesaurus" https://smartdefine.org/foundation/thesaurus/synonyms (accessed September 20, 2026). |
| Harvard | Smart Define 2015, foundation thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/foundation/thesaurus/synonyms>. |
| MLA | Smart Define. "foundation thesaurus" 10 April 2015. Web. 20 September 2026. <https://smartdefine.org/foundation/thesaurus/synonyms> |