Source : Webster's Revised Unabridged Dictionary (1913)

Synchronize \Syn"chro*nize\, v. i. [imp. & p. p. {Synchronized};
   p. pr. & vb. n. {Synchronizing}.] [Gr. ?.]
   To agree in time; to be simultaneous.

         The path of this great empire, through its arch of
         progress, synchronized with that of Christianity. --De
                                                  Quincey.

Source : WordNet®

synchronized
     adj : operating in unison; "the synchronized flapping of a bird's
           wings" [syn: {synchronised}]