/ kənspɪrəsi /
confederacy · cabal · confederacy
1. A group of conspirators banded together to achieve some harmful or illegal purpose; SYN. confederacy.
2. A plot to carry out some harmful or illegal act (especially a political plot); SYN. cabal.
3. A secret agreement between two or more people to perform an unlawful act; SYN. confederacy.
In law, an agreement between two or more people to do something unlawful.