- Definitions|2
- Thesaurus|429
- Abbreviations|0
119 entries under source topic. ×
| genesis(noun, cause, reason, element, matter) | |
| germ(noun, cause, connection, origin) | |
| impulse(noun, feeling, cause, reason, object) | |
| inception(noun, cause, spring, origin) | |
| incitement(noun, cause, reason, object, element) | |
| inducement(noun, cause, influence, reason, object) | |
| influence(noun, feeling, cause, reason, object) | |
| instigation(noun, reason, element, matter) | |
| maker(noun, reason, element, matter) | |
| motivation(noun, cause, reason, object, element) | |
| nub(noun, cause, idea, standard) | |
| nucleus(noun, cause, connection, origin) | |
| object(noun, cause, reason, element, matter) | |
| occasion(noun, cause, start, reason, object) | |
| prime mover(noun, expression, idiom, cause, reason) | |
| producer(noun, cause, reason, base, element) | |
| provenance(noun, cause, spring, origin) | |
| provenience(noun, cause, spring, origin) | |
| purpose(noun, cause, reason, object, element) | |
| quick(noun, cause, root, origin) |
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| APA | Smart Define. (2015). mainspring thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/mainspring/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "mainspring thesaurus" https://smartdefine.org/mainspring/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, mainspring thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/mainspring/thesaurus/synonyms>. |
| MLA | Smart Define. "mainspring thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/mainspring/thesaurus/synonyms> |