25
confident(adjective, calm, strong, smooth, easy)
20
self-confident(adjective, strong, secure, easy, attitude)
9
poised(adjective, calm, solid, relaxed, certain)
9
secure(adjective, attitude, solid, belief, certain)
8
assured(adjective, strong, smooth, easy, attitude)
8
cocksure(adjective, certain, sure, confident, arrogant)
6
positive(adjective, firm, certain, sure, confident)
6
sanguine(adjective, strong, easy, happy, solid)
6
self-possessed(adjective, calm, happy, attitude, solid)
6
sure(adjective, strong, firm, certain, definite)
5
smug(happy, rude, superior, confident, satisfied)
5
bold(adjective, rude, certain, familiar, sure)
5
self-reliant(adjective, certain, sure, confident, assured)
5
self-satisfied(happy, rude, superior, confident, satisfied)
4
collected(adjective, calm, solid, relaxed, certain)
4
composed(adjective, calm, certain, sure, serene)
4
courageous(adjective, certain, sure, confident, assured)
4
fearless(adjective, certain, sure, confident, assured)
4
overconfident(adjective, rude, certain, sure, confident)
4
unafraid(adjective, certain, sure, confident, assured)
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APASmart Define. (2015). self-assured thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/self-assured/thesaurus/synonyms
ChicagoSmart Define. 2015. "self-assured thesaurus" https://smartdefine.org/self-assured/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, self-assured thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/self-assured/thesaurus/synonyms>.
MLASmart Define. "self-assured thesaurus" 10 April 2015. Web. 22 September 2026. <https://smartdefine.org/self-assured/thesaurus/synonyms>