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verb (used with object), or·gan·ized, or·gan·iz·ing.
  1. to form as or into a whole consisting of interdependent or coordinated parts, especially for united action: to organize a committee.
  2. to systematize: to organize the files of an office.
  3. to give organic structure or character to: Cells become differentiated and organized into tissues.
  4. to enlist or attempt to enlist into a labor union: to organize workers.
  5. to enlist the employees of (a company) into a labor union; unionize: to organize a factory.
  6. Informal. to put (oneself) in a state of mental competence to perform a task: We can't have any slip-ups, so you'd better get organized.
verb (used without object), or·gan·ized, or·gan·iz·ing.
  1. to combine in an organized company, party, or the like.
  2. to form a labor union: Management resisted all efforts to organize.
  3. to assume organic structure.
Also especially British, or·gan·ise.

Origin of organize

1375–1425; late Middle English < Medieval Latin organizāre to contrive, arrange, equivalent to organ(um) organ + -izāre -ize
Related formsor·gan·iz·a·ble, adjectiveor·gan·iz·a·bil·i·ty, nounmis·or·gan·ize, verb, mis·or·gan·ized, mis·or·gan·iz·ing.out·or·gan·ize, verb (used with object), out·or·gan·ized, out·or·gan·iz·ing.pre·or·gan·ize, verb, pre·or·gan·ized, pre·or·gan·iz·ing.un·or·gan·iz·a·ble, adjective

Synonyms for organize

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Antonyms for organize Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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Historical Examples of organizing

British Dictionary definitions for organizing



  1. to form (parts or elements of something) into a structured whole; coordinate
  2. (tr) to arrange methodically or in order
  3. (tr) to provide with an organic structure
  4. (tr) to enlist (the workers) of (a factory, concern, or industry) in a trade union
  5. (intr) to join or form an organization or trade union
  6. (tr) informal to put (oneself) in an alert and responsible frame of mind

Word Origin for organize

C15: from Medieval Latin organizare, from Latin organum organ
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for organizing



early 15c., "construct, establish," from Middle French organiser and directly from Medieval Latin organizare, from Latin organum "instrument, organ" (see organ). Related: Organized; organizing.

Online Etymology Dictionary, © 2010 Douglas Harper

organizing in Medicine


  1. To put together into an orderly, functional, structured whole.
  2. To arrange in a coherent form.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.