- Definitions|1
- Thesaurus|348
- Abbreviations|0
70 entries under source topic. ×
| originator(noun, person, cause, foundation) | |
| whence | |
| builder(noun, person) | |
| center(person, cause, origin, father) | |
| foundation(cause, basis, origin, birth) | |
| germ(cause, origin) | |
| initiator(noun, person) | |
| motive(cause, origin, upwelling) | |
| nucleus(noun, cause, origin) | |
| occasion(cause, origin) | |
| rock bottom(expression, cause, quick, origin) | |
| seed(noun, cause, origin) | |
| starting place(expression, cause, foundation, basis) | |
| base(cause, origin) | |
| basis(cause, foundation, origin) | |
| bedrock(cause, quick, origin, stem) | |
| beginnings(cause, quick, origin, stem) | |
| bottom(cause, quick, origin, stem) | |
| consideration | |
| core(cause, origin) |
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| APA | Smart Define. (2015). fountainhead thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/fountainhead/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "fountainhead thesaurus" https://smartdefine.org/fountainhead/thesaurus/synonyms (accessed September 22, 2026). |
| Harvard | Smart Define 2015, fountainhead thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/fountainhead/thesaurus/synonyms>. |
| MLA | Smart Define. "fountainhead thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/fountainhead/thesaurus/synonyms> |