probable, likely, hopeful, to be expected, in a fair way. plausible, specious, ostensible, colorable, well-founded, reasonable, credible, easy of belief, presumable, presumptive, apparent.
Adverbs
probably etc.adj.
belike
in all probability, in all likelihood
very likely, most likely
like enough
odds on, odds in favor, ten to one etc.
apparently, seemingly, according to every reasonable expectation