verification

US /ˌver.ə.fəˈkeɪ.ʃən/

UK /ˌver.ə.fəˈkeɪ.ʃən/

1.

the process of establishing the truth, accuracy, or validity of something.

:

•

the verification of official documents

:

confirmation corroboration attestation affirmation validation authentication endorsement accreditation ratification establishment certification evidence proof support witness testament documentation