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1. Fix or adjust the time, amount, degree, or rate of
   "regulate the temperature";
   - modulate
    
2. Bring into conformity with rules, principles or usage; impose regulations
   "This town likes to regulate"; "We cannot regulate the way people dress";
   - regularize, regularise [Brit], order, govern
    
3. Give direction to; be an influence on
   "experience often regulates ability";
   - determine, shape, mold [N. Amer], influence, mould [Brit, Cdn]
    
4. Restrain the emission of (sound, fluid, etc.)
   - baffle

Derived forms: regulated, regulates, regulating

Type of: adjust, cause, correct, decide, determine, do, engender, hold back, keep, keep back, make, make up one's mind, restrain, set

Encyclopedia: Regulate, Control and Tax Cannabis Act of 2010