364 entries under noun topic. ×
| occasion(verb, cause, start, reason) | |
| antecedent(cause, reason, base, matter) | |
| conception(start, beginning, birth, dawn) | |
| genealogy(kin, precede) | |
| incipience(start, beginning, commencement) | |
| infancy(start, top, beginning, opening) | |
| introduction(cause, start, rise, top) | |
| nascency(start, beginning, birth) | |
| starting point(expression, idiom, cause, top) | |
| wellspring(person, cause, start, base) | |
| alpha(cause, start, top, beginning) | |
| ancestor(person, cause, base, beginning) | |
| birthplace(cause, authority, beginning, stock) | |
| blood line(expression, idiom) | |
| bottom(cause, base, source, core) | |
| breed(company, place, set, kind) | |
| determinant(person, cause, reason, base) | |
| etymology | |
| font(cause, supply, source, foundation) | |
| fountain-head |
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| APA | Smart Define. (2015). origin thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/origin/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "origin thesaurus" https://smartdefine.org/origin/thesaurus/synonyms (accessed September 26, 2026). |
| Harvard | Smart Define 2015, origin thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/origin/thesaurus/synonyms>. |
| MLA | Smart Define. "origin thesaurus" 10 April 2015. Web. 26 September 2026. <https://smartdefine.org/origin/thesaurus/synonyms> |