ˌaˌteˈstāshən, ˌad.ə̇ˈs-, ˌatə̇ˈs-, əˌteˈs- noun
( -s )
Etymology: Middle French, from Late Latin attestation-, attestatio, from Latin attestatus (past participle of attestari ) + -ion-, -io -ion
1. : the act of attesting
2. : the proof or evidence by which something is attested
the … volumes … stand, like a solid attestation of the victory — Edmund Wilson
3. : the formal authentication of an act or instrument by a subscribing witness or an official
4. Britain : the giving of an oath (as the oath of allegiance to an army recruit)