adv. probably, in all likelihood, (very or most) likely, in all probability, seemingly, doubtless(ly), indubitably, no doubt, undoubtedly, unquestionably, without a doubt, surely, certainly, on the face of it, all things considered, all things being equal Presumably, you have heard the one about the colonel's poodle
PRESUMABLY
Meaning of PRESUMABLY in English
Oxford thesaurus English vocab. Английский словарь Оксфорд тезаурус. 2012