WordNet (r) 3.0 (2006):

realpolitik
    n 1: politics based on practical rather than moral or
         ideological considerations [syn: realpolitik, practical
         politics]

Moby Thesaurus II by Grady Ward, 1.0:

23 Moby Thesaurus words for "Realpolitik":
   Machtpolitik, Tammany Hall, bossism, career politics,
   confrontation politics, consensus politics, economics in action,
   empirical politics, kid-glove politics, machine politics,
   partisan politics, partisanism, peanut politics, petty politics,
   politics, polity, pork-barrel politics, power politics,
   practical politics, pressure-group politics, reform politics,
   silk-stocking politics, ward politics