- Definitions|1
- Thesaurus|348
- Abbreviations|0
90 entries under noun topic. ×
| birth(start, rise, beginning, origin) | |
| brain | |
| cradle(cause, beginning, foundation, basis) | |
| creator(person, source) | |
| derivation(cause, start, point, well) | |
| drumhead | |
| forefront(start, beginning, opening, introduction) | |
| generator(person, source) | |
| heading(start, beginning, opening, introduction) | |
| leader(person, source) | |
| maker(person, source) | |
| originator(person, cause, source, foundation) | |
| builder(person, source) | |
| caput | |
| birthplace(cause, rise, authority, beginning) | |
| commencement(cause, start, rise, authority) | |
| header(start, beginning, opening, introduction) | |
| headway | |
| initiator(person, source) | |
| nucleus(cause, source, origin) |
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| APA | Smart Define. (2015). fountainhead thesaurus. Retrieved September 30, 2026, from https://smartdefine.org/fountainhead/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "fountainhead thesaurus" https://smartdefine.org/fountainhead/thesaurus/synonyms (accessed September 30, 2026). |
| Harvard | Smart Define 2015, fountainhead thesaurus, Smart Define, viewed 30 September, 2026, <https://smartdefine.org/fountainhead/thesaurus/synonyms>. |
| MLA | Smart Define. "fountainhead thesaurus" 10 April 2015. Web. 30 September 2026. <https://smartdefine.org/fountainhead/thesaurus/synonyms> |