Daresay

Verb

 * 1)  to think that something is likely or probable
 * Are you going to be editing all night? I daresay that I am.

Thesaurus
account as, assume, be afraid, believe, conceive, conclude, consider, deduce, deem, divine, dream, esteem, estimate, expect, fancy, feel, gather, grant, guess, have a hunch, have an idea, have an impression, have an inkling, have the idea, hold, hold as, imagine, infer, judge, let, let be, look upon as, maintain, opine, prefigure, presume, presuppose, presurmise, provisionally accept, reckon, regard, repute, say, set down as, suppose, surmise, suspect, take, take for, take for granted, take it, take to be, think, think likely, trow, understand, venture to say, view as, ween