1
assuredly
1
at ease(expression, adjective, strong, easy, certain)
1
attainment(noun, gain, win, success, achievement)
1
authoritativeness(noun, store, trust, confidence, assurance)
1
aye
1
balanced(adjective, strong, easy, solid, certain)
1
be axiomatic
1
best bet
1
beyond dispute
1
beyond doubt(expression, adjective, good, sound, fine)
1
big hit(noun, expression, gain, win, success)
1
big win(noun, expression, gain, win, success)
1
calculation
1
carefree(adjective, strong, easy, certain, definite)
1
cert(noun, belief, certain, trust, confidence)
1
certain(adjective, strong, easy, firm, honest)
1
certitude(noun, store, trust, confidence, assurance)
1
clean sweep(noun, expression, gain, win, success)
1
conclusive(adjective, clear, strong, easy, firm)
1
confidence(noun, store, trust, assurance, stock)
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APASmart Define. (2016). sure thing thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/sure_thing/thesaurus/synonyms
ChicagoSmart Define. 2016. "sure thing thesaurus" https://smartdefine.org/sure_thing/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, sure thing thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/sure_thing/thesaurus/synonyms>.
MLASmart Define. "sure thing thesaurus" 1 April 2016. Web. 23 September 2026. <https://smartdefine.org/sure_thing/thesaurus/synonyms>