bear witness

Verb	1.	bear witness - provide evidence for; "The blood test showed that he was the father"; "Her behavior testified to her incompetence" Synonyms: evidence, testify, prove, show
	2.	bear witness - give testimony in a court of law Synonyms: take the stand, testify, attest

abduce, adduce, attest, certify, cite, demonstrate, evidence, inform, jurisprudence, law, manifest, presume, prove, show, testify