38
confident(adjective, clear, strong, smooth, easy)
27
sure(adjective, clear, understanding, strong, easy)
23
certain(adjective, clear, understanding, strong, easy)
21
positive(adjective, clear, belief, certain, definite)
17
self-confident(adjective, strong, secure, easy, firm)
15
convinced(verb, adjective, clear, belief, certain)
15
definite(adjective, clear, strong, easy, firm)
15
secure(adjective, firm, attitude, solid, belief)
12
courageous(adjective, certain, bold, wise, sure)
11
ensured(verb, adjective, certain, sure, guaranteed)
10
satisfied(verb, adjective, clear, belief, certain)
9
clear(adjective, simple, plain, certain, full)
9
guaranteed(verb, adjective, clear, simple, plain)
9
determined(verb, adjective, strong, easy, firm)
9
sanguine(adjective, strong, easy, smart, bright)
8
promised(verb, adjective, guaranteed, affirmed, promised)
8
decided(verb, adjective, certain, definite, positive)
8
decisive(adjective, clear, firm, certain, full)
8
obvious(clear, simple, easy, plain, certain)
7
certified(verb, adjective, guaranteed, affirmed, ascertained)
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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>