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1. Bring order and organization to
   - organize, coordinate
    
2. Create (as an entity)
   - form, organize
    
3. Form or join a union
   - unionize, unionise [Brit], organize
    
4. Cause to be structured or ordered or operating according to some principle or idea
   - organize
    
5. Arrange by systematic planning and united effort
   - organize, prepare, devise, get up, machinate
    
6. Plan and direct (a complex undertaking)
   - mastermind, engineer, direct, organize, orchestrate

Derived forms: organised, organises, organising

See also: organisation [Brit]

Type of: arrange, care, create, deal, fall in, get together, handle, initiate, join, make, manage, pioneer, plan, set up

Antonym: disorganise [Brit]

Encyclopedia: Organise