25 entries under certainly topic. ×

29
definitely(adverb, interjection)
25
absolutely(adverb, interjection, affirm)
20
certainly(adverb, interjection, assent)
19
positively(adverb, interjection, well, easily)
17
surely(adverb, well, absolutely, exactly)
14
indubitably(adverb, interjection, affirm)
14
undoubtedly(adverb, affirm)
12
unquestionably(adverb, doubt, affirm, assent)
8
clearly
7
obviously
7
undeniably
6
doubtless(adverb, likely, assent)
6
unequivocally
3
doubtlessly
3
indisputably
3
plainly
2
incontestably
2
incontrovertibly
2
irrefutably
1
beyond recall(expression, adverb, completely, definitely)
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APASmart Define. (2015). assuredly thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/assuredly/thesaurus/synonyms
ChicagoSmart Define. 2015. "assuredly thesaurus" https://smartdefine.org/assuredly/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, assuredly thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/assuredly/thesaurus/synonyms>.
MLASmart Define. "assuredly thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/assuredly/thesaurus/synonyms>