128 entries under confirm topic. ×
| buttress(noun, verb, support, hold, calm) | |
| encourage(verb, support, help, give, increase) | |
| help(verb, support, hold, keep, maintain) | |
| back up(verb, expression, phrasal verb, support, increase) | |
| certify(verb, support, show, determine, favor) | |
| favor(verb, support, help, give, keep) | |
| prove(verb, state, feeling, show, put) | |
| sanction(verb, support, take, accept, develop) | |
| shore up(verb, expression, phrasal verb, support, hold) | |
| strengthen(verb, support, hold, help, give) | |
| warrant(verb, support, show, maintain, determine) | |
| advocate(verb, support, develop, maintain, promote) | |
| assert(verb, support, show, maintain, favor) | |
| authenticate(verb, support, show, determine, praise) | |
| establish(verb, support, hold, help, show) | |
| attest(verb, support, show, determine, praise) | |
| authorize(verb, support, accept, praise, favor) | |
| champion(verb, support, hold, help, maintain) | |
| countenance(verb, support, hold, take, go) | |
| stand by(verb, expression, phrasal verb, support, help) |
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| APA | Smart Define. (2015). sustain thesaurus. Retrieved October 1, 2026, from https://smartdefine.org/sustain/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "sustain thesaurus" https://smartdefine.org/sustain/thesaurus/synonyms (accessed October 1, 2026). |
| Harvard | Smart Define 2015, sustain thesaurus, Smart Define, viewed 1 October, 2026, <https://smartdefine.org/sustain/thesaurus/synonyms>. |
| MLA | Smart Define. "sustain thesaurus" 10 April 2015. Web. 1 October 2026. <https://smartdefine.org/sustain/thesaurus/synonyms> |