International Swaps and Derivatives Association (ISDA)
Definition:
An association created by the private negotiated Derivatives markets that represents participating parties. This association aims to improve the Derivatives market by identifying and reducing risks in the market. It promotes uniform practices in the writing, trading and settlement of swaps and other Derivatives, primarily through the ISDA Master Agreement.
ISDA was created in 1985 and has members from institutions world-wide.
See also Derivatives and Credit Default Swaps.