1. to provide or serve as clear evidence of; to demonstrate the truth or existence of something
2. to declare or affirm to be true or genuine, especially in an official capacity
Usage: formal; legal

Examples

• The numerous awards attest to her exceptional talent.
• His calm demeanor attested to years of experience in crisis management.
• The notary will attest the authenticity of the signature.
• Archaeological findings attest to the existence of an ancient civilization.
• The lawyer asked witnesses to attest to the defendant’s character.
• Her success attests to the value of hard work and dedication.
• The document must be attested by two independent witnesses.