identification
noun
1 the identification of the suspect by the victim carries great weight:
recognition, singling out, picking out, spotting, pointing out, pinpointing, naming, placing;
discerning, distinguishing, discovery, finding, location;
North American, informal fingering.
2 early identification of problems was important:
determining, establishment, ascertainment, finding out, discovery, fixing, settling, diagnosis, divination, discerning, distinguishing;
verification, confirmation.
3 may I see your identification?:
ID, papers, identity papers, identification papers, bona fides, documents, credentials;
ID card, identity card, pass, badge, warrant, license, permit, passport, proof of identity;
proof of qualifications, certificate, diploma, references, testimonial, letter of introduction, letter of recommendation.