Source : Webster's Revised Unabridged Dictionary (1913)

Accompany \Ac*com"pa*ny\, v. t. [imp. & p. p. {Accompanied}; p.
   pr. & vb. n. {Accompanying}] [OF. aacompaignier, F.
   accompagner, to associate with, fr. OF. compaign, compain,
   companion. See {Company}.]
   1. To go with or attend as a companion or associate; to keep
      company with; to go along with; -- followed by with or by;
      as, he accompanied his speech with a bow.

            The Persian dames, . . . In sumptuous cars,
            accompanied his march.                --Glover.

            They are never alone that are accompanied with noble
            thoughts.                             --Sir P.
                                                  Sidney.

            He was accompanied by two carts filled with wounded
            rebels.                               --Macaulay.

   2. To cohabit with. [Obs.] --Sir T. Herbert.

   Syn: To attend; escort; go with.

   Usage: To {Accompany}, {Attend}, {Escort}. We accompany those
          with whom we go as companions. The word imports an
          equality of station. We attend those whom we wait upon
          or follow. The word conveys an idea of subordination.
          We escort those whom we attend with a view to guard
          and protect. A gentleman accompanies a friend to some
          public place; he attends or escorts a lady.

Accompany \Ac*com"pa*ny\, v. i.
   1. To associate in a company; to keep company. [Obs.]
      --Bacon.

            Men say that they will drive away one another, . . .
            and not accompany together.           --Holland.

   2. To cohabit (with). [Obs.] --Milton.

   3. (Mus.) To perform an accompanying part or parts in a
      composition.

Source : WordNet®

accompany
     v 1: be associated with; "French fries come with the hamburger"
          [syn: {attach to}, {come with}, {go with}]
     2: go or travel along with; "The nurse accompanied the old lady
        everywhere"
     3: perform an accompaniment to; "The orchestra could barely
        follow the frequent pitch changes of the soprano" [syn: {play
        along}, {follow}]
     4: be a companion to somebody [syn: {company}, {companion}, {keep
        company}]
     [also: {accompanied}]