intuitively

allegedly ostensibly possibly probably supposedly

as if as though at a glance at first sight in all likelihood it appears that it seems that most likely on the face of it outwardly plausibly professedly reasonably reputably speciously superficially tangibly to all appearances

improbably unlikely

dubiously equivocally questionably uncertain

naturally

allegedly as if as though at a glance at first sight evidently externally in all likelihood it appears that it seems that most likely on the face of it ostensibly outwardly plausibly possibly probably professedly reasonably reputably seemingly speciously superficially supposedly tangibly to all appearances