4. (adverb)likely within the realm of credibility Synonyms: potential, probable Antonyms: incredible, unbelievable, implausible, farfetched, outside, remote, retrospective, last, unlikely
5. (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 Antonyms: remote, unlikely, outside, farfetched, last, unbelievable, incredible, retrospective, implausible