1. (v. i.) To agree in time; to be simultaneous.

2. (v. t.) To assign to the same date or period of time; as, to synchronize two events of Greek and Roman history.

3. (v. t.) To cause to agree in time; as, to synchronize the movements of different machines; to synchronize clocks.

accommodate accompany accord adapt adjust adjust to agree assimilate associate assonate atone attune be harmonious be in cahoots be in phase be in time be in tune blend chart chime chord coact coadunate codify coexist coextend coincide collaborate collude combine concur conjoin connive conspire contemporize cooperate coordinate correspond cut to equalize fit fix gear to happen together harmonize homologate homologize isochronize join keep in step keep pace with key to make plumb make uniform match measure melodize methodize musicalize normalize organize plan proportion put in tune rationalize reconcile rectify regularize regulate right routinize set set right settle similarize sound in tune sound together standardize symphonize sync synergize systematize tailor time trim to TRUE true up tune tune up unite