n. 25B6; noun the police force, police officers, policemen, policewomen, officers of the law, the forces of law and order; Brit. constabulary; informal the cops, the fuzz, (the long arm of) the law, the boys in blue; Brit. informal the (Old) Bill, coppers, bobbies, busies, the force; N. Amer. informal the heat; informal, derogatory pigs, the filth.
25B6; verb
we must police the area : GUARD, watch over, protect, defend, patrol; control, regulate.
the regulations will be policed by the ministry : ENFORCE, regulate, oversee, supervise, monitor, observe, check.