verb (used with object), reg·u·lat·ed, reg·u·lat·ing.

  1. to control or direct by a rule, principle, method, etc.: regulate shooting activity, to regulate household expenses.
  2. to adjust to some standard or requirement, as amount, degree, etc.: regulate skill, to regulate the temperature.
  3. to adjust so as to ensure accuracy of operation: regulate marksmanship, to regulate a watch.
  4. to put in good order: regulate shooting events, to regulate the digestion.