authenticate

/ɔːˈθentɪkeɪt/

/ɑːˈθenṱɪ-/ verb [T]

Definition

› to prove that something is real, true, or what people say it is: Each of these signatures must be authenticated by a lawyer. Holograms can be used to authenticate documents.

› IT to prove that someone is a particular person: A password is used to authenticate a user. We offer electronic certificates that authenticate the identity of internet traders.

authentication /ɔːˌθentɪˈkeɪʃən/

/ɑːˌθenṱɪ-/ noun [U] › We needed to identify a data source that we could use for authentication.

(Definition of authenticate verb from the Cambridge Business English Dictionary © Cambridge University Press)