verb, -fied, -fy⋅ing.| 1. | to bear witness; give or afford evidence. |
| 2. | Law. to give testimony under oath or solemn affirmation, usually in court. |
| 3. | to make solemn declaration. |
| 4. | to bear witness to; affirm as fact or truth; attest. |
| 5. | to give or afford evidence of in any manner. |
| 6. | Law. to state or declare under oath or affirmation, usually in court. |
| 7. | to declare, profess, or acknowledge openly. |

tes·ti·fy (těs'tə-fī') v. test·i·fied, test·i·fy·ing, test·i·fies v. intr.
[Middle English testifien, from Latin testificārī : testis, witness; see trei- in Indo-European roots + -ficārī, -fy.] tes'ti·fi·ca'tion (-fĭ-kā'shən) n., tes'ti·fi'er n. |