vt to produce, as an effect; to cause.
2. operate ·vi to deal in stocks or any commodity with a view to speculative profits.
3. operate ·vi to act or produce effect on the mind; to exert moral power or influence.
4. operate ·vi to perform a work or labor; to exert power or strengh, physical or mechanical; to act.
5. operate ·vt to put into, or to continue in, operation or activity; to work; as, to operate a machine.
6. operate ·vi to produce an appropriate physical effect; to issue in the result designed by nature; especially (med.), to take appropriate effect on the human system.
7. operate ·vi 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.