Word: synch
Harmony.
A music synchronization license, allowing the music to be synchronized with visual media such as films.
To synchronize, especially in the senses of data synchronization, time synchronization, or synchronizing music with video. Example: Our cloud storage automatically syncs your files to all your devices.
To flush all pending I/O operations to disk.
The state or property of being synchronized. Example: The generator went off line when it lost synchronization with the power line.
The arrangement of military actions in time, space, and purpose to produce maximum relative combat power at a decisive place and time.
In an intelligence context, application of intelligence sources and methods in concert with the operation plan.
You can find a list of possible crossword clues for SYNCH below.