63 entries under sure topic. ×

22
confident(adjective, firm, energetic, certain)
15
pushy(adjective, tough, smart, solid, offensive)
15
positive(adjective, firm, energetic, certain)
13
certain(adjective, firm, energetic, aggressive)
11
self-confident(adjective, firm, certain, positive)
9
decided(adjective, firm, energetic, certain, resolute)
8
definite(adjective, energetic, certain, unequivocal)
7
bold(adjective, tough, smart, solid, offensive)
6
assured(noun, verb, adjective, firm, energetic)
3
self-assured(adjective, firm, certain, aggressive)
2
cocksure(firm, certain, resolute, positive)
2
energetic(adjective, tough, smart, violent, vigorous)
2
overconfident(certain, guaranteed)
2
secure(adjective, certain, positive, self-assured)
2
unhesitating(firm, certain, resolute, decisive)
1
brazen(adjective, certain, guaranteed)
1
dynamic(adjective, tough, smart, energetic, vigorous)
1
fixed(firm, certain, resolute, decisive)
1
poised(adjective, certain, self-assured, self-confident)
1
pronounced(adjective, energetic, certain, insistent)
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APASmart Define. (2015). assertive thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/assertive/thesaurus/synonyms
ChicagoSmart Define. 2015. "assertive thesaurus" https://smartdefine.org/assertive/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, assertive thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/assertive/thesaurus/synonyms>.
MLASmart Define. "assertive thesaurus" 9 December 2015. Web. 22 September 2026. <https://smartdefine.org/assertive/thesaurus/synonyms>