coconspirator

from WordNet (r) 3.0 (2006)

coconspirator
    n 1: a member of a conspiracy [syn: {conspirator},
         {coconspirator}, {plotter}, {machinator}]

from Moby Thesaurus II by Grady Ward, 1.0

24 Moby Thesaurus words for "coconspirator":
      Machiavellian, abettor, accessory, accomplice, accomplice in crime,
      cohort, confederate, conniver, conspirator, conspirer,
      counterplotter, exploiter, fellow conspirator, finagler, intrigant,
      intriguer, machinator, maneuverer, operator, opportunist, plotter,
      schemer, socius criminis, wire-puller