1
carefree(adjective, strong, easy, solid, certain)
1
certain(adjective, strong, easy, solid, definite)
1
cinch(adjective, strong, easy, solid, certain)
1
clearheaded(adjective, calm, relaxed, tranquil, easygoing)
1
commonsensical(adjective, calm, relaxed, tranquil, easygoing)
1
competent
1
complacent(adjective, superior, certain, sure, satisfied)
1
conceited(happy, rude, superior, certain, sure)
1
cool as cucumber(expression, adjective, idiom, calm, relaxed)
1
detached
1
dignified(adjective, composed)
1
disimpassioned(adjective, calm, relaxed, tranquil, easygoing)
1
dispassionate(adjective, calm, relaxed, tranquil, easygoing)
1
easy(adjective, calm, strong, smooth, relaxed)
1
easygoing(adjective, calm, relaxed, tranquil, serene)
1
egotistic(happy, rude, satisfied, pleased, arrogant)
1
equanimous
1
equilibrious
1
expectant(adjective, certain, cheerful, sure, confident)
1
expecting(adjective, certain, sure, confident, assured)
11 years ago|7.6k views|share |citing 
APASmart Define. (2015). self-assured thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/self-assured/thesaurus/synonyms
ChicagoSmart Define. 2015. "self-assured thesaurus" https://smartdefine.org/self-assured/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, self-assured thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/self-assured/thesaurus/synonyms>.
MLASmart Define. "self-assured thesaurus" 10 April 2015. Web. 24 September 2026. <https://smartdefine.org/self-assured/thesaurus/synonyms>