93 entries under maintain topic. ×
| corroborate(verb, support, state, back) | |
| ratify(verb, support, state, praise) | |
| stand up for(verb, expression, idiom, phrasal verb, support) | |
| substantiate(verb, support, back, declare) | |
| uphold(verb, support, favor, back) | |
| answer for(verb, expression, phrasal verb, support, help) | |
| aver(verb, state, declare, confirm) | |
| prove(verb, support, back, declare) | |
| sign for(verb, expression, phrasal verb, support) | |
| swear to(verb, expression, support, back) | |
| witness(verb, support, state, praise) | |
| assert(verb, support, state, favor) | |
| asseverate(verb, support, state, back) | |
| attest to(verb, expression, support, back) | |
| champion(verb, support, praise, favor) | |
| cosign(verb, support, back, declare) | |
| declare(verb, support, state, back) | |
| okay(noun, verb, support, state) | |
| predicate(verb, support, state, back) | |
| profess(verb, support, state, back) |
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| APA | Smart Define. (2015). guarantee thesaurus. Retrieved September 25, 2026, from https://smartdefine.org/guarantee/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "guarantee thesaurus" https://smartdefine.org/guarantee/thesaurus/synonyms (accessed September 25, 2026). |
| Harvard | Smart Define 2015, guarantee thesaurus, Smart Define, viewed 25 September, 2026, <https://smartdefine.org/guarantee/thesaurus/synonyms>. |
| MLA | Smart Define. "guarantee thesaurus" 24 December 2015. Web. 25 September 2026. <https://smartdefine.org/guarantee/thesaurus/synonyms> |