Answer: synchronizing

AnswerCrossword Clue
synchronizingSYNCHRONIZE, to cause to happen at the same time
synchronizingCoordinate; combine
synchronizingCause to occur or operate at the same time or rate
synchronizingTally; agree
synchronizingOccur at the same time or rate
synchronizingAdjust (a clock or watch) to show the same time as another