Definitions from Wiktionary (operate)

▸ verb:  (transitive or intransitive) To perform a work or labour; to exert power or strength, physical or mechanical; to act.
▸ verb:  (intransitive) To produce an effect.
▸ verb:  (intransitive) To produce an appropriate physical effect; to issue in the result designed by nature; especially (medicine) to take appropriate effect on the human system.
▸ verb:  (intransitive) To act or produce an effect on the mind; to exert moral power or influence.
▸ verb:  (transitive) To bring about as an effect; to cause.
▸ verb:  (medicine, transitive or intransitive) To perform some manual act upon a human body in a methodical manner, and usually with instruments, with a view to restore soundness or health, as in amputation, lithotomy, etc.
▸ verb:  (transitive or intransitive) To deal in stocks or any commodity with a view to speculative profits.
▸ verb:  (transitive) To put into, or to continue in, operation or activity; to work.

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