1. a positive declaration or assertion; an affirmation
Usage: formal; archaic
2. evidence or proof that supports a claim
Usage: formal; archaic

Examples

• The witness provided avouchment of the defendant’s whereabouts.
• His avouchment of loyalty was met with skepticism.
• The document served as avouchment of her qualifications.
• Without proper avouchment, the claim remained unsubstantiated.
• The king demanded avouchment of his subjects’ allegiance.
• Her avouchment of the facts convinced the jury.