testify - definition and synonyms

verb [intransitive/transitive] 

Your browser doesn’t support HTML5 audio

/ˈtestɪfaɪ/
present tense
I/you/we/theytestify
he/she/ittestifies
present participletestifying
past tensetestified
past participletestified
  1. 1
    to make a statement about something that you saw, know, or experienced, usually in a court of law
    testify (that):

    Three people testified that they heard gunshots.

    testify for/against someone:

    Several key witnesses have agreed to testify against Edwards.

  2. 2
    to provide evidence that something exists or is true
    testify to:

    These ruins testify to the existence of Roman occupation.