Source : Webster's Revised Unabridged Dictionary (1913)

Depart \De*part"\, v. i. [imp. & p. p. {Departed}; p. pr. & vb.
   n. {Departing}.] [OE. departen to divide, part, depart, F.
   d['e]partir to divide, distribute, se d['e]partir to separate
   one's self, depart; pref. d['e]- (L. de) + partir to part,
   depart, fr. L. partire, partiri, to divide, fr. pars part.
   See {Part}.]
   1. To part; to divide; to separate. [Obs.] --Shak.

   2. To go forth or away; to quit, leave, or separate, as from
      a place or a person; to withdraw; -- opposed to arrive; --
      often with from before the place, person, or thing left,
      and for or to before the destination.

            I will depart to mine own land.       --Num. x. 30.

            Ere thou from hence depart.           --Milton.

            He which hath no stomach to this fight, Let him
            depart.                               --Shak.

   3. To forsake; to abandon; to desist or deviate (from); not
      to adhere to; -- with from; as, we can not depart from our
      rules; to depart from a title or defense in legal
      pleading.

            If the plan of the convention be found to depart
            from republican principles.           --Madison.

   4. To pass away; to perish.

            The glory is departed from Israel.    --1 Sam. iv.
                                                  21.

   5. To quit this world; to die.

            Lord, now lettest thou thy servant depart in peace.
                                                  --Luke ii. 29.

   {To depart with}, to resign; to part with. [Obs.] --Shak.

Source : WordNet®

departed
     adj 1: not present; having left; "he's away right now"; "you must
            not allow a stranger into the house when your mother
            is away"; "everyone is gone now"; "the departed
            guests" [syn: {away(p)}, {gone(p)}, {departed(a)}]
     2: well in the past; former; "bygone days"; "dreams of foregone
        times"; "sweet memories of gone summers"; "relics of a
        departed era" [syn: {bygone}, {bypast}, {foregone}, {gone}]
     3: dead; "he is deceased"; "our dear departed friend" [syn: {asleep(p)},
         {at peace(p)}, {at rest(p)}, {deceased}, {gone}]
     n : someone who is no longer alive; "I wonder what the dead
         person would have done" [syn: {dead person}, {dead soul},
          {deceased person}, {deceased}, {decedent}]