Adverb

• S: (adv) probably, likely, in all likelihood, in all probability, belike (with considerable certainty; without much doubt) "He is probably out of the country"; "in all likelihood we are headed for war"
• S: (adv) credibly, believably, plausibly, probably (easy to believe on the basis of available evidence) "he talked plausibly before the committee"; "he will probably win the election"