Examples from the Web for justifiability
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
On the justifiability of such a course I do not understand that my opinion is asked.'It Never Can Happen Again|William De Morgan
The justifiability of this point of view may scarcely be disputed.Elements of Folk Psychology|Wilhelm Wundt
British Dictionary definitions for justifiability
Word Origin and History for justifiability (1 of 2)
1520s, from Old French justifiable, from justifiier (see justify). Earlier in same sense was justificable (mid-15c.). Related: Justifiably (mid-15c.).