Source : Webster's Revised Unabridged Dictionary (1913)

Pacify \Pac"i*fy\, v. t. [imp. & p. p. {Pacified}; p. pr. & vb.
   n. {Pacifying}.] [F. pacifier, L. pacificare; pax, pacis,
   peace + -ficare (in comp.) to make. See {Peace}, and {-fy}.]
   To make to be at peace; to appease; to calm; to still; to
   quiet; to allay the agitation, excitement, or resentment of;
   to tranquillize; as, to pacify a man when angry; to pacify
   pride, appetite, or importunity. ``Pray ye, pacify
   yourself.'' --Shak.

         To pacify and settle those countries.    --Bacon.

Source : WordNet®

pacify
     v 1: cause to be more favorably inclined; gain the good will of;
          "She managed to mollify the angry customer" [syn: {lenify},
           {conciliate}, {assuage}, {appease}, {mollify}, {placate},
           {gentle}, {gruntle}]
     2: fight violence and try to establish peace in (a location);
        "The U.N. troops are working to pacify Bosnia"
     [also: {pacified}]