\Col*lu"sion\, n. [L. collusio: cf. F. collusion. See
{Collude}.]
1. A secret agreement and cooperation for a fraudulent or
   deceitful purpose; a playing into each other's hands;
   deceit; fraud; cunning.

         The foxe, maister of collusion.       --Spenser.

         That they [miracles] be done publicly, in the face
         of the world, that there may be no room to suspect
         artifice and collusion.               --Atterbury.

         By the ignorance of the merchants or dishonesty of
         the weavers, or the collusion of both, the ware was
         bad and the price excessive.          --Swift.

2. (Law) An agreement between two or more persons to defraud
   a person of his rights, by the forms of law, or to obtain
   an object forbidden by law. --Bouvier. Abbott.

Syn: {Collusion}, {Connivance}.

Usage: A person who is guilty of connivance intentionally
       overlooks, and thus sanctions what he was bound to
       prevent. A person who is guilty of collusion unites
       with others (playing into their hands) for fraudulent
       purposes.