Learn the meaning, pronunciation and usage of the word identification in English. Find out how to use identification in different contexts, such as proving who you are, recognizing something, or feeling sympathy for something. IDENTIFICATION definition: 1. the act of recognizing and naming someone or something: 2. an official document that shows or…. Learn more. UIDAI is mandated to issue an easily verifiable 12 digit random number as Unique Identity - Aadhaar to all Residents of India. Find the meaning, synonyms, translations, and usage of the word identification in various contexts. Learn how to identify a person, a thing, or a group, and how to use identification in psychology, military, and arms control.