operate
operate (ŏpʹə-rāt) verb
operated, operating, operates
verb, intransitive
1. To perform a function; work: The motor operates smoothly.
2. To perform surgery.
3. a. To exert an influence: forces operating on the economy. b. To produce a desired or proper effect: a drug that operates quickly.
4. To carry on a military or naval action or campaign.
5. Informal. To conduct business in an irregular or devious manner: drug dealers operating in residential and urban areas.
verb, transitive
1. To control the functioning of; run: operate a sewing machine.
2. To conduct the affairs of; manage: operate a business.
[Latin operārī, operāt-, from opera, work.]