5
veracity
5
verity
4
aye(adverb, affirm, assent)
4
by all means(expression, idiom)
4
easily(adverb, doubt)
4
good(adjective, assent)
4
indeed(adverb, assent)
4
really
4
sure
4
truly
4
without doubt
4
yea(adverb, affirm, assent)
3
all right(expression, idiom, adverb, affirm)
3
confidently(adverb, absolutely, surely, proudly)
3
decidedly
3
doubtlessly(adverb, certainly)
3
exactly
3
forsooth
3
indisputably(adverb, certainly)
3
just so(expression, idiom, assent)
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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>