justify - definition and synonyms

verb [transitive] 

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present tense
present participlejustifying
past tensejustified
past participlejustified
  1. 1
    to show that there is a good reason for something, especially something that other people think is wrong

    You’ll be expected to justify your actions.

    It was becoming increasingly difficult to justify such expenditure.

    justify doing something:

    How can people justify spending so much money on cosmetics?

    1. a.
      to be a good reason for something

      Nothing can justify what happened this morning.