- Definitions|2
- Thesaurus|429
- Abbreviations|0
82 entries under origin topic. ×
| germ(noun, cause, connection, source) | |
| inception(noun, cause, source, spring) | |
| incitement(noun, cause, reason, object, element) | |
| inducement(noun, cause, influence, reason, object) | |
| instigation(noun, reason, element, matter, source) | |
| maker(noun, reason, element, matter, source) | |
| motivation(noun, cause, reason, object, element) | |
| nub(noun, cause, idea, standard, source) | |
| nucleus(noun, cause, connection, source) | |
| object(noun, cause, reason, element, matter) | |
| occasion(noun, cause, start, reason, object) | |
| pith(noun, cause, idea, base, essence) | |
| prime mover(noun, expression, idiom, cause, reason) | |
| producer(noun, cause, reason, base, element) | |
| provenance(noun, cause, source, spring) | |
| provenience(noun, cause, source, spring) | |
| purpose(noun, cause, reason, object, element) | |
| quick(noun, cause, source, root) | |
| quintessence(noun, cause, base, source, ground) | |
| radicle(noun, cause, quick, source, root) |
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| APA | Smart Define. (2015). mainspring thesaurus. Retrieved September 27, 2026, from https://smartdefine.org/mainspring/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "mainspring thesaurus" https://smartdefine.org/mainspring/thesaurus/synonyms (accessed September 27, 2026). |
| Harvard | Smart Define 2015, mainspring thesaurus, Smart Define, viewed 27 September, 2026, <https://smartdefine.org/mainspring/thesaurus/synonyms>. |
| MLA | Smart Define. "mainspring thesaurus" 10 April 2015. Web. 27 September 2026. <https://smartdefine.org/mainspring/thesaurus/synonyms> |