Something that provides assurance or confirmation; a guarantee or proof:
A confirming or being confirmed; corroboration; ratification; verification
That which corroborates.
Evidence is defined as something that gives proof or leads to a conclusion.
(Uncountable) The degree of evidence which convinces the mind of any truth or fact, and produces belief; a test by facts or arguments which induce, or tend to induce, certainty of the judgment; conclusive evidence; demonstration.
Something that serves as tangible proof or evidence:
The definition of a testimonial is a statement that says how good someone or something is.
Testimony is defined as a statement or declaration given under oath in a court of law or the of sharing information about a religious experience.
A verifying or being verified; establishment or confirmation of the truth or accuracy of a fact, theory, etc.
Truth or reality. Used with the.
Find another word for attestation. In this page you can discover 17 synonyms, antonyms, idiomatic expressions, and related words for attestation, like: warrant, authentication, confirmation, corroboration, demonstration, evidence, proof, substantiation, testament, testimonial and testimony.