synchronize

verb

• To cause two or more events or actions to happen at exactly the same time or same rate, or in a time-coordinated way.
• To set (a clock or watch) to display the same time as another.

  "We synchronized our watches and agreed to meet at four o'clock precisely."

• To cause (a set of files, data, or settings) on one computer or device to be (and try to remain) the same as on another.
• (of inanimate entities) To agree, be coordinated with, or complement well.
• To coordinate or combine.