53 entries under adverb topic. ×

20
probably(adjective, chance, liable, incidental)
11
credible(adjective, reasonable, solid, possibility)
11
in all probability(expression, idiom, probability, probably)
11
presumably(probability, probably)
10
most likely(expression, adjective, idiom, possible)
8
in all likelihood(expression, idiom, probability, probably)
6
doubtless(probability, probably, presumably)
6
possibly(chance, probability, probably)
4
doubtlessly(probably, presumably)
4
indubitably
4
no doubt(expression, probably, presumably)
4
undoubtedly
3
assumably(probably, presumably)
3
belike
3
like enough(expression, adjective, idiom, reasonable)
2
analogously
2
equally
2
evenly
2
identically
2
plausibly
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APASmart Define. (2016). likely thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/likely/thesaurus/synonyms
ChicagoSmart Define. 2016. "likely thesaurus" https://smartdefine.org/likely/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2016, likely thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/likely/thesaurus/synonyms>.
MLASmart Define. "likely thesaurus" 29 March 2016. Web. 22 September 2026. <https://smartdefine.org/likely/thesaurus/synonyms>