(adv.) In a presumable manner; by, or according to, presumption.

all things considered as it were assumably assumedly assumptively by all odds certainly dollars to doughnuts doubtless doubtlessly in all likelihood in all probability in seeming indubitably like enough likely most likely no doubt presumedly presumptively probably quasi reputedly seemingly supposably supposedly suppositionally supposititiously surely ten to one undoubtedly unquestionably very like very likely