WordNet (r) 3.0 (2006):

Tammany Hall
    n 1: a political organization within the Democratic Party in New
         York City (late 1800's and early 1900's) seeking political
         control by corruption and bossism [syn: Tammany Hall,
         Tammany Society, Tammany]

Moby Thesaurus II by Grady Ward, 1.0:

66 Moby Thesaurus words for "Tammany Hall":
   American Party, Anti-Monopoly Party, Bull Moose Party,
   Communist Party, Conservative Party, Constitutional Union Party,
   Democratic Party, Democratic-Republican Party, Farmer-Labor Party,
   Federalist Party, Free Soil Party, Greenback Party,
   Know-Nothing Party, Labour Party, Liberal Party,
   Liberal Republican Party, Liberty Party, Machtpolitik,
   National Republican Party, Populist Party, Progressive Party,
   Prohibition Party, Realpolitik, Republican Party,
   Socialist Labor Party, Socialist Party, Socialist Workers Party,
   Tory Party, Whig Party, bossism, camp, career politics, city hall,
   confrontation politics, consensus politics, economics in action,
   empirical politics, faction, kid-glove politics, machine,
   machine politics, major party, minor party, multiple party system,
   one-party system, opposition party, partisan politics, partisanism,
   party, party in power, peanut politics, petty politics,
   political machine, political party, politics, polity,
   pork-barrel politics, power politics, practical politics,
   pressure-group politics, reform politics, silk-stocking politics,
   splinter party, third party, two-party system, ward politics