To make something sound or look better or more acceptable than it is in reality; to distort, to embroider.
To make more beautiful and attractive by adding ornamentation; to decorate.
To enhance by adding something not strictly integral or necessary.
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.