7
insured(verb, adjective, certain, definite, sure)
6
pledged(verb, adjective, guaranteed, affirmed, promised)
6
secured(verb, adjective, guaranteed)
6
warranted(verb, adjective, guaranteed, affirmed)
5
affirmed(verb, adjective, guaranteed, affirmed)
5
ascertained(verb, ascertained)
5
set(adjective, certain, fixed, sure, key)
5
absolute(adjective, clear, strong, easy, firm)
5
cocksure(adjective, clear, belief, certain, sure)
5
confirmed(verb, adjective, certain, definite, sure)
5
cool(adjective, calm, strong, tough, solid)
5
doubtless(adjective, adverb, clear, certain, sure)
5
imperturbable(adjective, calm, quiet, cool, solid)
5
poised(adjective, certain, sure, confident, self-assured)
5
proud(adjective, proud)
5
self-assured(adjective, strong, smooth, easy, attitude)
5
self-possessed(adjective, calm, quiet, cool, attitude)
5
stated(verb, fixed, positive, settled, affirmed)
5
unquestionable(adjective, clear, certain, full, definite)
4
assertive(adjective, firm, energetic, certain, sure)
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APASmart Define. (2015). assured thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/assured/thesaurus/synonyms
ChicagoSmart Define. 2015. "assured thesaurus" https://smartdefine.org/assured/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, assured thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/assured/thesaurus/synonyms>.
MLASmart Define. "assured thesaurus" 9 December 2015. Web. 20 September 2026. <https://smartdefine.org/assured/thesaurus/synonyms>