4
veritably(adverb, absolutely, very, really, exactly)
4
without doubt
3
OK(adverb, interjection, yes)
3
affirmatively(adverb, positively, affirmatively)
3
concretely
3
course
3
declaratively(adverb, affirmatively)
3
factually(adverb, absolutely, very, really, exactly)
3
for certain(expression, idiom, absolutely, really, clearly)
3
in every respect(expression, idiom)
3
incontrovertibly(adverb, certainly)
3
just(absolutely, severely, completely, exactly, quite)
3
markedly
3
rightly(adverb, absolutely, very, really, exactly)
3
sincerely(adverb, really, seriously, truly, honestly)
3
sure(adverb, just, absolutely, really, exactly)
3
very well(expression, interjection, positively, certainly)
2
Agreed(interjection, positively, certainly)
2
Okay(interjection, positively, certainly)
2
Fine
10 years ago|17k views|share |citing 
APASmart Define. (2016). definitely thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/definitely/thesaurus/synonyms
ChicagoSmart Define. 2016. "definitely thesaurus" https://smartdefine.org/definitely/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, definitely thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/definitely/thesaurus/synonyms>.
MLASmart Define. "definitely thesaurus" 18 February 2016. Web. 20 September 2026. <https://smartdefine.org/definitely/thesaurus/synonyms>