📖 WordNook

attest

verb
  1. to authenticate, affirm to be true, genuine, or correct, as in an official capacity
    “I can attest that this is your signature.”
  2. to establish or verify the usage of
    “This word is not attested until 1993.”
  3. to provide evidence for
    “I can attest to the quality of that sandwich by showing you this graph of deliciousness.”
    show
  4. to give testimony in a court of law
    “I attested to what I had seen.”
    testifytake the standbear witness