486 entries under noun topic. ×
| principle(law, support, action, cause) | |
| bottom(cause, start, base, beginning) | |
| dawning(cause, start, rise, top) | |
| fountain-head | |
| generator(cause, derivation) | |
| head(start, beginning, opening, introduction) | |
| inspiration(cause, spring, derivation, spout) | |
| mainspring(cause, start, reason, idea) | |
| motive(cause, start, reason, idea) | |
| opening(cause, start, rise, top) | |
| original | |
| specialist(person, cause, point, beginning) | |
| starting point(expression, idiom, cause, start) | |
| stock(support, company, place, cause) | |
| begetter(person, cause, point, beginning) | |
| cradle(place, cause, spot, base) | |
| creation(support, top, property, beginning) | |
| creator(person, cause, reason, base) | |
| descent | |
| father(person, cause, point, beginning) |
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| APA | Smart Define. (2015). source thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/source/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "source thesaurus" https://smartdefine.org/source/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, source thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/source/thesaurus/synonyms>. |
| MLA | Smart Define. "source thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/source/thesaurus/synonyms> |