200 entries under start topic. ×
| center(noun, base, source, foundation) | |
| countdown(noun, opening, birth, dawn) | |
| embarkation(noun, cause, opening, source) | |
| enrollment(appearance, opening, arrival, initiation) | |
| entry(noun, cause, source, foundation) | |
| ground(noun, reason, base, matter) | |
| incitement(noun, reason, element, matter) | |
| inducement(noun, cause, reason, base) | |
| ingress(cause, opening, addition, establishment) | |
| instigation(noun, reason, element, matter) | |
| leaving(noun, opening, departure, birth) | |
| mainspring(noun, cause, reason, base) | |
| motivation(noun, reason, element, matter) | |
| motive(noun, cause, reason, base) | |
| nucleus(noun, cause, base, stone) | |
| occasion(noun, cause, reason, base) | |
| opener(noun, action, appearance, cause) | |
| preliminaries(opening, addition, establishment, introduction) | |
| proem(noun, lead, opening, launch) | |
| stimulation(noun, reason, element, matter) |
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| APA | Smart Define. (2015). beginning thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/beginning/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "beginning thesaurus" https://smartdefine.org/beginning/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, beginning thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/beginning/thesaurus/synonyms>. |
| MLA | Smart Define. "beginning thesaurus" 10 April 2015. Web. 23 September 2026. <https://smartdefine.org/beginning/thesaurus/synonyms> |