7
subscribe to(verb, expression, phrasal verb, support, praise)
6
certify(verb, support, favor, back, approve)
6
ensure(verb, agree, declare, approve, uphold)
6
subvene
6
uphold(verb, support, keep, maintain, encourage)
6
warrant(verb, support, cover, praise, favor)
5
affirm(verb, support, favor, back, declare)
5
consent(verb, support, take, agree, back)
5
countersign(verb, back, approve, sanction, endorse)
5
indorse(compact, security)
5
okay(verb, support, take, favor, agree)
5
seal(verb, back, endorse, compact, guarantee)
5
second(verb, support, praise, encourage, favor)
5
stand behind(verb, expression, support, praise, encourage)
5
subvention
5
validate(verb, support, keep, maintain, approve)
4
agree to(verb, expression, phrasal verb, back, endorse)
4
attest(verb, support, praise, favor, back)
4
authenticate(verb, support, praise, favor, back)
4
authorize(verb, support, praise, favor, back)
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APASmart Define. (2015). underwrite thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/underwrite/thesaurus/synonyms
ChicagoSmart Define. 2015. "underwrite thesaurus" https://smartdefine.org/underwrite/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, underwrite thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/underwrite/thesaurus/synonyms>.
MLASmart Define. "underwrite thesaurus" 24 December 2015. Web. 20 September 2026. <https://smartdefine.org/underwrite/thesaurus/synonyms>