If you are a witness, you are asked to be present at a particular event and to sign (= write your name on) a document in order to prove that things have been. Certify usually applies to a written statement, especially one. In the next three or four days, eleven witnesses.
Hawks news Kristaps Porzingis banks in 1st bucket with Atlanta
See examples of witness used in a sentence. Certify, attest, witness, vouch mean to testify to the truth or genuineness of something. With harrison ford, kelly mcgillis, lukas haas, josef sommer.
To see, hear, or know by personal presence and perception.
A witness is someone who appears in a court of law to say what they know about a crime or other event.