presumably

externally, outwardly, visibly

believably, credibly

assumably, likely, presumedly, probably

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

allegedly, purportedly, reportedly, reputedly

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

assuredly, positively, surely

maybe, mayhap, perchance, perhaps, possibly

conceivably, imaginably, plausibly, practically, reasonably

potentially

assuredly, certainly, clearly, conclusively, decisively, definitely, definitively, indisputably, indubitably, positively, really, surely, truly, undeniably, undoubtedly, unquestionably

presumedly, supposably, supposedly