identification
identificationnoun
UK/aɪˌdentɪfɪˈkeɪʃn/US/aɪˌdentɪfɪˈkeɪʃn/
DOCUMENT
B2an official document that shows who you are
- You need some identification to open a bank account.
RECOGNIZING
C1the act of recognizing and naming someone or something
- The identification of the problem took weeks.