9
probably(adverb, happen, presumably)
7
likely(adverb, probably, presumably)
5
presumably(adverb, likely, reasonably, probably, presumptively)
4
in all probability(expression, idiom, adverb, probably, presumably)
3
doubtless(adverb, probably, presumably)
3
doubtlessly(adverb, probably, presumably)
3
indubitably
3
no doubt(expression, adverb, probably, presumably)
2
according
2
most likely(expression, probably, presumably, presumptively, imaginably)
2
to all appearances(expression, idiom, probably, presumably)
1
all things considered
1
assumably(probably, presumably, presumptively, imaginably)
1
credibly
1
expediently
1
imaginably
1
maybe(presumptively, imaginably)
1
on the face of it(expression, idiom, presumptively, imaginably)
1
perchance(presumptively, imaginably)
1
presumptively(probably, presumably, imaginably)
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APASmart Define. (2015). in all likelihood thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/in_all_likelihood/thesaurus/synonyms
ChicagoSmart Define. 2015. "in all likelihood thesaurus" https://smartdefine.org/in_all_likelihood/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, in all likelihood thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/in_all_likelihood/thesaurus/synonyms>.
MLASmart Define. "in all likelihood thesaurus" 14 April 2015. Web. 20 September 2026. <https://smartdefine.org/in_all_likelihood/thesaurus/synonyms>