Definitions
1.NounOne who, or something which, authenticates, as:
An app that uses applied cryptography to prove someone's identity to a network connection.
A feature that shows something to be authentic.
A person employed to check the accuracy and realism of a script.
2.NounAn app that uses applied cryptography to prove someone's identity to a network connection.
3.NounA feature that shows something to be authentic.
4.NounA person employed to check the accuracy and realism of a script.