4
inspirit(verb, encourage, cheer, comfort, inspire)
4
ratify(verb, settle, affirm, guarantee)
4
stand behind(verb, expression, support, maintain, secure)
4
undertake(verb, agree, declare, approve, uphold)
4
validate(verb, state, settle, confirm, affirm)
4
witness(verb, support, state, maintain, secure)
3
Tell
3
accept(verb, affirm, security)
3
admit(verb, affirm)
3
asseverate
3
back(verb, support, maintain, secure, declare)
3
brace up(verb, expression, phrasal verb, promise, guarantee)
3
bring home to(verb, expression, idiom, phrasal verb, get)
3
buck up(verb, expression, phrasal verb, encourage, inspire)
3
commit(verb, agree, declare, undertake, affirm)
3
console(encourage, cheer, comfort, inspire, uplift)
3
convert(verb, get, encourage, influence, prompt)
3
declare(verb, support, state, maintain, back)
3
demonstrate(verb, get, influence, prompt, persuade)
3
depose
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APASmart Define. (2015). assure thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/assure/thesaurus/synonyms
ChicagoSmart Define. 2015. "assure thesaurus" https://smartdefine.org/assure/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, assure thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/assure/thesaurus/synonyms>.
MLASmart Define. "assure thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/assure/thesaurus/synonyms>