To agree; to be in accord; to harmonize.
To support, favour, have sympathy (with a political cause or movement, a side in a conflict / in an action).
To have a common feeling, as of bodily pleasure or pain.
To have, show or express sympathy; to be affected by feelings similar to those of another, in consequence of knowing the person to be thus affected.
To say in an expression of sympathy.
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.