- Definitions|2
- Thesaurus|429
- Abbreviations|0
119 entries under source topic. ×
| cause(noun, cause, start, reason, object) | |
| motive(noun, cause, start, reason, idea) | |
| fountain(noun, cause, connection, spring) | |
| ground(noun, cause, start, reason, base) | |
| spring(noun, cause, reason, idea, object) | |
| basis(noun, cause, start, reason, idea) | |
| inspiration(noun, cause, influence, reason, reservoir) | |
| origin(noun, cause, start, reason, base) | |
| principle(noun, cause, reason, idea, base) | |
| reason(noun, feeling, cause, start, object) | |
| root(noun, cause, reason, idea, object) | |
| grounds(noun, cause, reason, object, element) | |
| wellspring(noun, cause, spring, stream) | |
| agent(noun, cause, reason, base, element) | |
| author(noun, cause, reason, base, element) | |
| consideration(noun, cause, reason, object, element) | |
| determinant(noun, cause, reason, object, base) | |
| element(noun, cause, influence, reason, base) | |
| foundation(noun, cause, start, reason, base) | |
| fountainhead(noun, cause, quick, origin) |
For more, visit
Mainspring on
Power Thesaurus
| APA | Smart Define. (2015). mainspring thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/mainspring/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "mainspring thesaurus" https://smartdefine.org/mainspring/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, mainspring thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/mainspring/thesaurus/synonyms>. |
| MLA | Smart Define. "mainspring thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/mainspring/thesaurus/synonyms> |