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Supposedly vs. Supposably


[juhs-tuh-fahy-uh-buh l, juhs-tuh-fahy-] /ˈdʒʌs təˌfaɪ ə bəl, ˌdʒʌs təˈfaɪ-/
capable of being justified; that can be shown to be or can be defended as being just, right, or warranted; defensible:
justifiable homicide.
Origin of justifiable
1515-25; < Middle French; see justify, -able
Related forms
justifiability, justifiableness, noun
justifiably, adverb
unjustifiable, adjective
unjustifiableness, noun
unjustifiably, adverb Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the Web for justifiability
Historical Examples
  • The justifiability of this point of view may scarcely be disputed.

  • On the justifiability of such a course I do not understand that my opinion is asked.'

    It Never Can Happen Again William De Morgan
  • She saw by the lifting of his eyebrows that he was impressed, that he secretly admitted the justifiability of her summons to him.

    The Pretty Lady Arnold E. Bennett
  • Among those who ventured to doubt the justifiability of the proposed marriage was Helene's mother, Princess Kuragina.

    War and Peace Leo Tolstoy
British Dictionary definitions for justifiability


capable of being justified; understandable
Derived Forms
justifiability, justifiableness, noun
justifiably, adverb
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 justifiability

1835, from justifiable + -ity.



1520s, from Old French justifiable, from justifiier (see justify). Earlier in same sense was justificable (mid-15c.). Related: Justifiably (mid-15c.).

Online Etymology Dictionary, © 2010 Douglas Harper
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