[ahy-den-tuh-fahy, ih-den-]
verb (used with object), identified, identifying.
to recognize or establish as being a particular person or thing; verify the identity of: to identify handwriting; to identify the bearer of a check.
to serve as a means of identification for: His gruff voice quickly identified him.
to make, represent to be, or regard or treat as the same or identical: They identified Jones with the progress of the company.
to associate in name, feeling, interest, action, etc. (usually followed by with ): He preferred not to identify himself with that group.
Biology. to determine to what group (a given specimen) belongs.
Psychology. to associate (one or oneself) with another person or a group of persons by identification.
verb (used without object), identified, identifying.
to experience psychological identification: The audience identified with the play's characters.

1635–45; < Medieval Latin identificāre, equivalent to identi(tās) identity + -ficāre -fy

identifiable, adjective
identifiability, identifiableness, noun
identifier, noun
overidentify, verb, overidentified, overidentifying.
preidentify, verb (used with object), preidentified, preidentifying.
reidentify, verb (used with object), reidentified, reidentifying.
unidentifiable, adjective
unidentifiably, adverb
unidentified, adjective
unidentifying, adjective
well-identified, adjective

1. distinguish, place, know, determine. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
identifier (aɪˈdɛntɪˌfaɪ)
a person or thing that establishes the identity of someone or something

identify (aɪˈdɛntɪˌfaɪ)
vb (often foll by with) (usually foll by with) , -fies, -fying, -fied
1.  to prove or recognize as being a certain person or thing; determine the identity of
2.  to consider as the same or equivalent
3.  to consider (oneself) as similar to another
4.  to determine the taxonomic classification of (a plant or animal)
5.  psychol to engage in identification

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

1644, "regard as the same," from Fr. identifier, from identité (see identity). Sense of "recognize" first recorded 1769. I.D. (pronounced as separate letters), short for identification, is attested from 1955.
Online Etymology Dictionary, © 2010 Douglas Harper
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Computing Dictionary

identifier definition

1. A formal name used in source code to refer to a variable, function, procedure, package, etc. or in an operating system to refer to a process, user, group, etc.
Each different type of entity may have a different range of valid identifiers or "name space". For example, an identifier in C is a series of one or more letters, digits and underscores that does not begin with a digit. An identifier has a type, e.g. integer variable, hash, variant and a scope, e.g. block, global.
2. (id) A primary key. The column containing a table's primary key is frequently named after the table with "_id" appended, e.g. "customer_id".

The Free On-line Dictionary of Computing, © Denis Howe 2010
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