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[pri-zoo-muh-blee] /prɪˈzu mə bli/
by assuming reasonably; probably:
Since he is a consistent winner, he is presumably a superior player.
Origin of presumably
First recorded in 1640-50; presumable + -ly
doubtless, likely, apparently. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for presumably
Contemporary Examples
Historical Examples
  • We can only say that they will be different, and presumably loftier ones.

    Freeland Theodor Hertzka
  • She drew a long breath, presumably of relief, and moved a step forward.

    The Avenger E. Phillips Oppenheim
  • At least I possess the key of his flat, presumably with his permission.

    The Avenger E. Phillips Oppenheim
  • presumably, the Russian troops there had come from Ivangorod.

  • He presumably knew all the employees of his company by sight.

    The Film of Fear Arnold Fredericks
British Dictionary definitions for presumably


(sentence modifier) one presumes or supposes that: presumably he won't see you, if you're leaving tomorrow
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for presumably

1640s, "with presumption, without examination," from presumable + -ly (2). As a qualifier, "probably, as one would presume," from 1830.

Online Etymology Dictionary, © 2010 Douglas Harper
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