identification

noun

iden·​ti·​fi·​ca·​tion ī-ˌden-tə-fə-ˈkā-shən 

ə-

1

a

: an act of identifying : the state of being identified

Police made a positive identification of the suspect.

b

: evidence of identity

need to show identification before boarding the flight

2

a

: psychological orientation of the self in regard to something (such as a person or group) with a resulting feeling of close emotional association

b

: a largely unconscious process whereby an individual models thoughts, feelings, and actions after those attributed to an object that has been incorporated as a mental image

Examples of identification in a Sentence

A member of the family was brought in for identification of the body.

The birds are tagged for easy identification.

The police have made a positive identification of the suspect.

You need two forms of identification.

the movie audience's identification with the good guys

Recent Examples on the Web

Dozens of vessels broadcasting AIS — automatic identification system — destinations referenced Chinese ownership or crew presence while operating in the Gulf, according to Windward. —Anniek Bao, CNBC, 18 Mar. 2026

Most apps have questions requesting users’ ages, and some use specialized identification technology, but proponents say children are getting around these barriers. —Kate Wolffe, Sacbee.com, 17 Mar. 2026

Many requirements would begin right away If the SAVE America Act were enacted, the new rules for voter registration and voter identification at the polls would take effect immediately. —Mary Clare Jalonick, Chicago Tribune, 17 Mar. 2026

Early on, the object didn’t have the characteristics of a piece of space junk—another possible falling space object—astrophysicist Jonathan McDowell noted ahead of NASA’s identification. —Jackie Flynn Mogensen, Scientific American, 17 Mar. 2026

Word History

First Known Use

1644, in the meaning defined at sense 1a

Phrases Containing identification

• identification card
• identification parade
• self-identification

Rhymes for identification

• acclimatisation
• acclimatization
• acidification
• actualization
• annualization
• autocorrelation
• autoregulation
• beatification
• beneficiation
• biodegradation
• biotransformation
• bureaucratization

Kids Definition

identification

noun

iden·​ti·​fi·​ca·​tion ī-ˌdent-ə-fə-ˈkā-shən 

ə-ˌdent-

1

: an act of identifying : the state of being identified

2

: evidence of identity

carry identification at all times

Medical Definition

identification

noun

iden·​ti·​fi·​ca·​tion ī-ˌdent-ə-fə-ˈkā-shən, ə- 

1

: an act of identifying : the state of being identified

2

a

: psychological orientation of the self in regard to something (as a person or group) with a resulting feeling of close emotional association

b

: a largely unconscious process whereby an individual models thoughts, feelings, and actions after those attributed to an object that has been incorporated as a mental image