• A notary does it
• Affirms
• Affirms to be true
• Authenticates
• Bears witness
• Bears witness (to)
• Certifies
• Certifies (to)
• Certifies by oath
• Certifies under oath
• Deposes
• Gives a deposition
• Gives proof
• Makes a statement
• Points to
• Supplies evidence of
• Swears
• Swears (to)
• Swears is true
• Takes the stand
• Vouches for
• Witnesses