BE PROBABLE &c. adj.; give -, lend- color to; point to; imply (evidence) [See Evidence]; bid fair (promise) [See Prediction]; stand fair for; stand -, run- a good chance; stand-, run- an even chance.
PRESUME, infer, venture, suppose, take for granted, think likely, dare say, flatter oneself; expect [See Expectation]; count upon (believe) [See Belief].
ADJECTIVE:
PROBABLE, likely, hopeful, to be expected, in a fair way.
PLAUSIBLE, specious, ostensible, colorable, ben trovato [It.], well-founded, reasonable, credible, easy of belief, presumable, presumptive, apparent.
ADVERB:
PROBABLY &c. adj.; belike [archaic]; in all probability, in all likelihood; very -, most- likely; like enough; very like; ten &c. to one; apparently, seemingly, to all seeming, as like as not [colloq.], according to every reasonable expectation; primâ facie [L.]; to all appearance (to the eye) [See Appearance].