allegedly

purportedly, reportedly, reputedly

assumably, likely, presumedly, probably

conceivably, maybe, mayhap, perchance, perhaps, possibly, professedly, supposably

believably, credibly

externally, outwardly, visibly

clearly, distinctly, manifestly, obviously, patently, plainly, self-evidently

appreciably, discernibly, markedly, noticeably, palpably

assuredly, positively, surely

apparently, evidently, ostensibly, ostensively, presumably, putatively, seemingly, supposedly