Regulate

v. t.
  1. To adjust by rule, method, or established mode; to direct by rule or restriction; to subject to governing principles or laws.
  2. To put in good order; as, to regulate the disordered state of a nation or its finances.
  3. To adjust, or maintain, with respect to a desired rate, degree, or condition; as, to regulate the temperature of a room, the pressure of steam, the speed of a machine, etc.
    4. To regulate a watch or To regulate a clock ,
    to adjust its rate of running so that it will keep approximately standard time.