The verb organize has 6 senses (first 6 from tagged texts)
1. (11) form, organize, organise -- (create (as an entity); "social groups form everywhere"; "They formed a company")
2. (6) organize, organise -- (cause to be structured or ordered or operating according to some principle or idea)
3. (5) mastermind, engineer, direct, organize, organise, orchestrate -- (plan and direct (a complex undertaking); "he masterminded the robbery")
4. (4) organize, organise, coordinate -- (bring order and organization to; "Can you help me organize my files?")
5. (2) organize, organise, prepare, devise, get up, machinate -- (arrange by systematic planning and united effort; "machinate a plot"; "organize a strike"; "devise a plan to take over the director's office")
6. (1) unionize, unionise, organize, organise -- (form or join a union; "The auto workers decided to unionize")