| take an oath(verb, expression, idiom, agree, declare) | |
| testify(verb, declare, assert, undertake, affirm) | |
| underwrite(verb, agree, declare, commit, undertake) | |
| vouch(verb, pass, catch, declare, assert) | |
| vouchsafe(promise, swear) | |
| word of honor(noun, expression, idiom, agreement, contract) | |
| give word(verb, expression, engage, contract, promise) | |
| give your word(expression, idiom, promise, pledge, swear) | |
| health | |
| hook(pass, catch, commit, undertake, promise) | |
| profess(verb, declare, commit, undertake, affirm) | |
| soak(promise, swear) | |
| swear an oath(expression, idiom, promise, swear) | |
| toast |
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| APA | Smart Define. (2016). covenant thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/covenant/thesaurus/synonyms |
| Chicago | Smart Define. 2016. "covenant thesaurus" https://smartdefine.org/covenant/thesaurus/synonyms (accessed September 28, 2026). |
| Harvard | Smart Define 2016, covenant thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/covenant/thesaurus/synonyms>. |
| MLA | Smart Define. "covenant thesaurus" 31 March 2016. Web. 28 September 2026. <https://smartdefine.org/covenant/thesaurus/synonyms> |