- Definitions|1
- Thesaurus|348
- Abbreviations|0
| antecedent(cause, foundation, basis) | |
| anterior | |
| apex(noun, start, beginning, opening, introduction) | |
| authority(cause, foundation, basis) | |
| authorship(cause, foundation, basis) | |
| babyhood(noun, beginning, origin, birth, dawn) | |
| banner(noun, start, beginning, opening, introduction) | |
| base(cause, source, origin) | |
| basis(cause, source, foundation, origin) | |
| beak(noun, start, beginning, opening, introduction) | |
| bedrock(cause, quick, source, origin, stem) | |
| begets | |
| begetter(person, cause, foundation, basis, father) | |
| begetting | |
| beginnings(cause, quick, source, origin, stem) | |
| begot | |
| bill(noun, start, beginning, opening, introduction) | |
| bonk | |
| bottom(cause, quick, source, origin, stem) | |
| brings |
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| APA | Smart Define. (2015). fountainhead thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/fountainhead/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "fountainhead thesaurus" https://smartdefine.org/fountainhead/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, fountainhead thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/fountainhead/thesaurus/synonyms>. |
| MLA | Smart Define. "fountainhead thesaurus" 10 April 2015. Web. 25 September 2026. <https://smartdefine.org/fountainhead/thesaurus/synonyms> |