testifies Definition

testify
verb testifies, testified, testifying

intr
1. To give evidence in court.
2. To serve as evidence or proof of it.

Thesaurus: bear witness to, affirm, corroborate, declare, state, show, vouch, attest, assert.
Form: testify to something (often)
intr
3. To make a solemn declaration (eg of one's faith).
4. To declare solemnly.

Example: testify one's sorrow

Etymology: 14c: from Latin testificari, from testis witness.