To adjust (a mechanism) for accurate and proper functioning.
To control or direct according to rule, principle, or law.
To put or maintain in order.
To adjust to a particular specification or requirement: regulate temperature.
To dictate policy.
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.