Be proof of synonyms

What is another word for Be proof of?

• be evidence of
• attest to
• confirm
• prove
• corroborate
• bear out
• testify
• substantiate
• show
• demonstrate
• bear witness to
• testify to
• speak to
• indicate
• reveal
• bespeak
• bear witness
• vouch for
• evince
• betoken
• be a monument to
• constitute proof of
• witness
• authenticate
• evidence
• verify
• give proof of
• support
• give credence to
• back up