or·gan·ize (ôrg-nz) v. or·gan·ized, or·gan·iz·ing, or·gan·iz·es v. tr. To put together into an orderly, functional, structured whole. To arrange in a coherent form; systematize: organized her thoughts before speaking. To arrange in a desired pattern or structure: "The painting is organized about a young reaper enjoying his noonday rest" (William Carlos Williams). To arrange systematically for harmonious or united action: organize a strike. See Synonyms at arrange. To establish as an organization: organize a club. See Synonyms at found1. To induce (employees) to form or join a labor union. To induce the employees of (a business or an industry) to form or join a union: organize a factory. v. intr. To develop into or assume an organic structure. To form or join an activist group, especially a labor union. [Middle English organisen, from Old French organiser, from Medieval Latin organizre, from Latin organum, tool, instrument ; see organ.] organ·izer n.