Confederacy

1. n. A combination of two or more persons to commit an unlawful act, or to do a lawful act by unlawful means. See Conspiracy.
2. n. A league or compact between two or more persons, bodies of men, or states, for mutual support or common action; alliance.
3. n. The persons, bodies, states, or nations united by a league; a confederation.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.