cabal
     n 1: a clique (often secret) that seeks power usually through
          intrigue [syn: {faction}, {junto}, {camarilla}]
     2: a plot to carry out some harmful or illegal act (especially
        a political plot) [syn: {conspiracy}]
     v : engage in plotting or enter into a conspiracy, swear
         together; "They conspired to overthrow the government"
         [syn: {conspire}, {complot}, {conjure}, {machinate}]
     [also: {caballing}, {caballed}]
Source: WordNet® 2.0