organizing
v.v. to plan and arrange an activity or to put things into a neat order. You use this when you are getting people together for an event or tidying your desk.
v. to arrange several elements into a structured whole or to coordinate the logistics of an event. Often used in the context of systematic planning or administrative management.
She is organizing a surprise party for her best friend.
The committee spent three months organizing the international conference to ensure every guest had a room.
By organizing the archives chronologically, the historian was able to identify a clear shift in the government's foreign policy during the late nineteenth century.
The verb is transitive and takes a direct object. Note the spelling difference between the American 'organizing' and the British 'organising'.