| witness(verb, support, maintain, secure, protect) | |
| accede(verb, secure, agree, back, declare) | |
| affiance(verb, agree, declare, commit, undertake) | |
| angel(verb, support, maintain, secure, back) | |
| approve(verb, secure, back, uphold, authorize) | |
| arm | |
| armor | |
| arrest | |
| assent(verb, agree, declare, commit, undertake) | |
| asservate(verb, agree, declare, commit, undertake) | |
| assurance | |
| assured | |
| assuring | |
| attend | |
| aver(verb, support, maintain, secure, protect) | |
| balance(verb, compensate, offset) | |
| bankroll(verb, support, maintain, secure, back) | |
| bargain(verb, agree, declare, commit, undertake) | |
| be sponsor for(expression, idiom) | |
| be surety for(verb, support, maintain, secure, protect) |
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| APA | Smart Define. (2015). insure thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/insure/thesaurus/synonyms |
| Chicago | Smart Define. 2015. "insure thesaurus" https://smartdefine.org/insure/thesaurus/synonyms (accessed September 24, 2026). |
| Harvard | Smart Define 2015, insure thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/insure/thesaurus/synonyms>. |
| MLA | Smart Define. "insure thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/insure/thesaurus/synonyms> |