Modulate
Part of speech: verb
Definition: To regulate, adjust or adapt To change the pitch, intensity or tone of one's voice or of a musical instrument to vary the amplitude, frequency or phase of a carrier wave in proportion to the amplitude etc of a source wave (such as speech or music) to move from one key or tonality to another, especially by using a chord progression
Regulate
Part of speech: verb
Definition: To dictate policy.To control or direct according to rule, principle, or law.To adjust to a particular specification or requirement: regulate temperature.To adjust (a mechanism) for accurate and proper functioning.To put or maintain in order: regulate one's eating habits.
Example sentence: FDR's New Deal and, after it, Republican President Dwight Eisenhower's similar Middle Way, used the government to regulate business, provide a basic social safety net, and promote infrastructure, like roads and bridges.