Source : Webster's Revised Unabridged Dictionary (1913)

Negotiate \Ne*go"ti*ate\, v. i. [L. negotiatus, p. p. of
   negotiari, fr. negotium business; nec not + otium leisure.
   Cf. {Neglect}.]
   1. To transact business; to carry on trade. [Obs.] --Hammond.

   2. To treat with another respecting purchase and sale or some
      business affair; to bargain or trade; as, to negotiate
      with a man for the purchase of goods or a farm.

   3. To hold intercourse respecting a treaty, league, or
      convention; to treat with, respecting peace or commerce;
      to conduct communications or conferences.

            He that negotiates between God and man Is God's
            ambassador.                           --Cowper.

   4. To intrigue; to scheme. [Obs.] --Bacon.

Negotiate \Ne*go"ti*ate\, v. t. [imp. & p. p. {Negotiated}; p.
   pr. & vb. n. {Negotiating}.]
   1. To carry on negotiations concerning; to procure or arrange
      for by negotiation; as, to negotiate peace, or an
      exchange.

            Constantinople had negotiated in the isles of the
            Archipelago . . . the most indispensable supplies.
                                                  --Gibbon.

   2. To transfer for a valuable consideration under rules of
      commercial law; to sell; to pass.

            The notes were not negotiated to them in the usual
            course of business or trade.          --Kent.

Source : WordNet®

negotiate
     v : discuss the terms of an arrangement; "They negotiated the
         sale of the house" [syn: {negociate}, {talk terms}]