5
satisfy(verb, encourage, do, persuade, answer)
5
allay(verb, calm, encourage, delight, cheer)
5
ascertain(verb, state, confirm, verify)
5
buoy(verb, encourage, excite, prepare, boost)
5
certify(verb, support, state, maintain, secure)
5
ensure(verb, support, maintain, secure, protect)
5
insure(verb, support, maintain, secure, protect)
4
appease(verb, meet, do, provide, persuade)
4
calm(verb, adjective, encourage, delight, cheer)
4
fortify(verb, support, develop, promote, encourage)
4
guarantee(noun, verb, state, encourage, restore)
4
nerve
4
pacify(verb, calm, relax, comfort, relieve)
4
persuade(verb, meet, encourage, do, provide)
4
placate
4
uplift(verb, encourage, comfort, inspire, assure)
3
becalm(verb, calm, relax, comfort, relieve)
3
bid fair(expression, idiom, hope)
3
buck up(verb, expression, encourage, delight, excite)
3
buoy up(verb, expression, phrasal verb, encourage, boost)
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APASmart Define. (2015). reassure thesaurus. Retrieved September 26, 2026, from https://smartdefine.org/reassure/thesaurus/synonyms
ChicagoSmart Define. 2015. "reassure thesaurus" https://smartdefine.org/reassure/thesaurus/synonyms (accessed September 26, 2026).
HarvardSmart Define 2015, reassure thesaurus, Smart Define, viewed 26 September, 2026, <https://smartdefine.org/reassure/thesaurus/synonyms>.
MLASmart Define. "reassure thesaurus" 13 April 2015. Web. 26 September 2026. <https://smartdefine.org/reassure/thesaurus/synonyms>