testify

To give testimony in a legal case or before a deliberative body.

To express or declare a strong belief, especially to make a declaration of faith.

To make a statement based on personal knowledge in support of an asserted fact; bear witness.

To serve as evidence.

To declare publicly; make known.

To state or affirm as testimony in a legal case or before a deliberative body.

To be evidence of.

To bear witness; make declaration, especially for the purpose of communicating to others a knowledge of some matter not known to them, or for the purpose of establishing some fact.

In law, to give testimony, under oath or solemn affirmation, in a cause depending before a court.

To serve as evidence; be testimony or proof.