1. (adverb)probably, likely, in all likelihood, in all probability, belike with considerable certainty; without much doubt Synonyms: credibly, in all probability, probably, likely, believably, in all likelihood, belike, plausibly
2. (adverb)credibly, believably, plausibly, probably easy to believe on the basis of available evidence Synonyms: credibly, in all probability, probably, in all likelihood, likely, believably, plausibly, belike