sync (verb)

1. In the science fiction movie, the spaceships are perfectly synced with each other, moving in perfect unison.

2. The choir members sang hymns, making sure to sync their voices and harmonize beautifully during the religious ceremony.

3. Why did the computer and the printer break up? Because they couldn't sync their communication!

4. In the novel, the author syncs the narrative of two different characters, showing how their paths eventually cross.