collusive

The striking development is not that the veracity of some is open to doubt, but that this forgivingly collusive arrangement has now broken down: not the fact of lying, but the naming of it.

allegations of collusive practices

suspected of being collusive

accused of collusive behavior

It can be traced through Antonin Artaud's interwar " theatre of cruelty" —which aimed to unsettle viewers with sound and light—to Shakespeare's collusive jokes about mad Englishmen, all the way back to the origins of Greek drama in religious rites.