convention — A convention is a way of behaving that is considered to be correct or polite by most people in a society.
congress — Congress is the elected group of politicians that is responsible for making the law in the United States. It consists of two parts: the House of Representatives and the Senate.
clambake — A clambake is a picnic at which clams and other food are served.
senate — an assembly or council of citizens having the highest deliberative functions in a government, especially a legislative assembly of a state or nation.
membership — the state of being a member, as of a society or club.