8
positively(adverb, surely, affirmatively)
6
aggressively(adverb, forcefully, aggressively, insistently)
5
emphatically
4
affirmatively(adverb, affirmatively)
4
surely(adverb, resolutely, determinedly, unwaveringly, affirmatively)
3
confidently(adverb, surely)
3
domineeringly(adverb, aggressively, overbearingly)
2
absolutely
2
certainly(adverb, affirmatively)
2
declaratively(adverb, affirmatively)
1
assertive
1
assuredly(adverb, surely)
1
belligerently(adverb, aggressively)
1
categorically(adverb, affirmatively)
1
combatively(adverb, aggressively)
1
decidedly
1
decisively
1
definitely(adverb, affirmatively)
1
emphaticly
1
firmly
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APASmart Define. (2015). assertively thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/assertively/thesaurus/synonyms
ChicagoSmart Define. 2015. "assertively thesaurus" https://smartdefine.org/assertively/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, assertively thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/assertively/thesaurus/synonyms>.
MLASmart Define. "assertively thesaurus" 14 April 2015. Web. 21 September 2026. <https://smartdefine.org/assertively/thesaurus/synonyms>