| probably(adverb, happen, absolutely, likely, precisely) |
| doubtless(adverb, absolutely, likely, certainly, reasonably) |
| likely(adverb, probably) |
| unquestionably(adverb, likely, reasonably) |
| possibly(adverb, likely, probably) |
| presumptively(adverb, likely, reasonably, probably, imaginably) |
| seemingly(adverb, absolutely, likely, precisely, reasonably) |
| indubitably(adverb, likely, reasonably) |
| in all probability(expression, idiom, adverb, likely, reasonably) |
| supposedly(adverb, likely, reasonably) |
| in all likelihood(expression, idiom, adverb, likely, reasonably) |
| credible(adjective, adverb, reasonable, likely, reasonably) |
| doubtlessly(adverb, likely, reasonably, probably) |
| no doubt(expression, idiom, adverb, absolutely, undoubtedly) |
| perhaps |
| surely(adverb, likely, reasonably) |
| theoretically(adverb, likely, reasonably, theoretically) |
| hypothetically(adverb, likely, reasonably, presumptively, imaginably) |
| assumably(adverb, likely, reasonably, probably, presumptively) |
| most likely(expression, idiom, adverb, likely, reasonably) |