Organise

verb

1. To arrange in working order.
2. To constitute in parts, each having a special function, act, office, or relation; to systematize.
3. (chiefly used in the past participle) To furnish with organs; to give an organic structure to; to endow with capacity for the functions of life

   "an organized being"

4. To sing in parts.

   "to organize an anthem"

5. To band together into a group or union that can bargain and act collectively; to unionize.

   "the workers decided to organize; their next task was to organize the workers at the steel mill"