identification
n. C / Un. the act of recognizing who someone is or what something is. It also refers to an official document, like a passport, that proves your name and age.
n. the process of recognizing or establishing who or what someone or something is. Also refers to a document or card that serves as proof of a person's identity.
Please show your identification at the entrance.
The witness provided a positive identification of the suspect during the police lineup.
Accurate identification of the rare bird species requires careful observation of its unique plumage patterns and distinct song during the spring migration.
From French identification.
Uncountable when referring to the process of recognizing; countable when referring to a physical document, though often shortened to 'ID' in speech.
I forgot my identificationsI forgot my identificationWhen referring to documents like a passport or driver's license, the word is typically used as an uncountable mass noun or in the singular.