| require(verb, hold, press, maintain, approve) | |
| retain | |
| sanctify | |
| say | |
| secure(verb, agree, declare, approve, uphold) | |
| sign for(verb, expression, support, maintain, back) | |
| solemn declaration | |
| sponsor(verb, support, maintain, back, declare) | |
| stand up for(verb, expression, idiom, support, maintain) | |
| state under oath(verb, expression, idiom, assert, undertake) | |
| statement(noun, claim, declaration) | |
| string along(verb, expression, agree, commit, undertake) | |
| style | |
| subscribe(verb, agree, declare, commit, undertake) | |
| support(noun, verb, maintain, back, declare) | |
| sure thing(noun, expression, support, agreement, contract) | |
| surety(noun, agreement, contract, assurance, promise) | |
| swan | |
| swear by bell(expression, idiom) | |
| swear on bible(verb, expression, idiom, agree, declare) |
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| APA | Smart Define. (2015). vow thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/vow/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "vow thesaurus" https://smartdefine.org/vow/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, vow thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/vow/thesaurus/synonyms>. |
| MLA | Smart Define. "vow thesaurus" 13 April 2015. Web. 23 September 2026. <https://smartdefine.org/vow/thesaurus/synonyms> |