1. The act or process of identifying someone or something; recognition or establishment of who or what someone or something is.
2. A document or piece of evidence that proves or confirms the identity of a person.
3. The process of determining what something is or establishing its nature, origin, or characteristics.

Examples

• The airport requires valid identifications from all passengers before boarding.
• Police asked for identifications at the checkpoint.
• The identifications of the plant species took several weeks of laboratory analysis.
• Through identifications with the main character, readers became emotionally invested in the story.
• Multiple identifications of the suspect were made by eyewitnesses.
• The museum's identifications of the artifacts helped establish their historical significance.