189 entries under support topic. ×
| uphold(verb, maintain, favor, back) | |
| answer for(verb, expression, phrasal verb, help) | |
| approve(verb, state, praise, secure) | |
| lock(noun, verb, secure, agreement) | |
| prove(verb, maintain, back, declare) | |
| sign for(verb, expression, phrasal verb, maintain) | |
| stake(noun, verb, help, accept) | |
| subsidize(verb, help, promote, secure) | |
| swear to(verb, expression, maintain, back) | |
| witness(verb, state, maintain, praise) | |
| accredit(verb, state, control, praise) | |
| assert(verb, state, maintain, favor) | |
| assert under oath(expression, idiom) | |
| asseverate(verb, state, maintain, back) | |
| attest to(verb, expression, maintain, back) | |
| bankroll(verb, help, promote, secure) | |
| bind oneself(verb, expression, incite, promise) | |
| bless(verb, praise, favor, back) | |
| champion(verb, maintain, praise, favor) | |
| cosign(verb, maintain, back, declare) |
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| APA | Smart Define. (2015). guarantee thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/guarantee/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "guarantee thesaurus" https://smartdefine.org/guarantee/thesaurus/synonyms (accessed September 23, 2026). |
| Harvard | Smart Define 2015, guarantee thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/guarantee/thesaurus/synonyms>. |
| MLA | Smart Define. "guarantee thesaurus" 24 December 2015. Web. 23 September 2026. <https://smartdefine.org/guarantee/thesaurus/synonyms> |