regulate, modulate -- (fix or adjust the time, amount, degree, or rate of; "regulate the temperature"; "modulate the pitch")
regulate, regularize, regularise, order, govern -- (bring into conformity with rules or principles or usage; impose regulations; "We cannot regulate the way people dress"; "This town likes to regulate")
determine, shape, mold, influence, regulate -- (shape or influence; give direction to; "experience often determines ability"; "mold public opinion")
baffle, regulate -- (check the emission of (sound))