WordRel.com

• a plot to carry out some harmful or illegal act (especially a political plot)

  synonym	cabal
  derivation	conspire
  domain topic	governmentpolitical sciencepolitics
  hypernym	gameplotsecret plan
  hyponym	Gunpowder Plot

• a secret agreement between two or more people to perform an unlawful act

  synonym	confederacy
  derivation	conspiratorialconspire
  hypernym	agreementunderstanding
  hyponym	conspiracy of silence

• a group of conspirators banded together to achieve some harmful or illegal purpose

  synonym	confederacy
  derivation	conspiratorial
  hypernym	bandcirclelotset
  mero member	coconspiratorconspiratormachinatorplotter