cabal

Short definition from Wiktionary

Noun

1. 1
   A putative, secret organization of individuals gathered for a political purpose.
2. 2
   A secret plot.
3. 3
   An identifiable group within the tradition of Discordianism.

Verb

1. 1
   To engage in the activities of a cabal.

Proper noun

1. 1
   A surname.