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
To synchronize, especially in the senses of data synchronization, time synchronization, or synchronizing music with video.
To flush all pending I/O operations to disk.
A music synchronization license, allowing the music to be synchronized with visual media such as films.
Harmony.