Definition of attestation
plural attestations
1
: an act or instance of attesting something: such as
a
: a proving of the existence of something through evidence
- … a complete and formal attestation of your innocence.
- —Edward Bulwer-Lytton
b
: an official verification of something as true or authentic
- the notary's attestation of the will
2
: the proof or evidence by which something (such as the usage of a word) is attested
- the earliest attestation of the term in print
