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

The belongings included identification and immigration documents, passports, driver’s licenses and work permits as well as cash, cellphones, clothing and jewelry. —Gary Grumbach, NBC news, 3 Mar. 2026

There’s no requirement for voters to produce identification at the polls except in the case of certain first-time voters who registered without providing proof of identity. —Ben Paviour, Sacbee.com, 3 Mar. 2026

Marfisee recalled one patient who came to her with a lump in her breast and no identification. —Los Angeles Times, 3 Mar. 2026

Roughly 1,800 transgender Kansans’ state identification documents that align with their gender identities are now void under a state law that took effect Thursday. —Sofi Zeman march 3, Kansas City Star, 3 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