The Oxford Thesaurus An A-Z Dictionary of Synonyms - identificationn.

1) connection, recognition, distinguishing, indication, perception, detection, selection, naming, labelling, pinpointing, designation, characterization, denomination; authentication, verification, establishment, certification, substantiation, corroboration, Colloq fingering: Her identification of him as her attacker is not sufficient to convict him. 2) classification, classifying, cataloguing, categorization, categorizing, pigeon-holing: How much time is needed for the identification of the minerals in the moon rocks? 3 ID, ID card, identity card, badge, credentials: Only up-to-date identification will be accepted as proof of ownership. 4) connection, association, affiliation, empathy, sympathy, rapport, relationship: His continued identification with comic-book heroes is immature.