5
presumptively(adverb, happen, presumably)
4
conceivably(adverb, informal, expect)
4
doubtlessly(adverb, really, certainly, clearly, definitely)
4
indubitably
4
predictably
4
probable(liable, convincing, believable, plausible, dependent)
4
undoubtedly
4
unquestionably
3
like enough(expression, adverb, probability, idiom, happen)
3
very likely(expression, idiom, probability)
3
as awaited
3
assumably(adverb, happen, presumably)
3
maybe(adverb, happen)
3
quite
3
well
2
potentially
2
all things considered(expression, idiom, adverb)
2
according
2
almost certainly(expression, idiom)
2
certainly(adverb, really, clearly, definitely, unquestionably)
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APASmart Define. (2015). probably thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/probably/thesaurus/synonyms
ChicagoSmart Define. 2015. "probably thesaurus" https://smartdefine.org/probably/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2015, probably thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/probably/thesaurus/synonyms>.
MLASmart Define. "probably thesaurus" 10 April 2015. Web. 21 September 2026. <https://smartdefine.org/probably/thesaurus/synonyms>