Of, belonging to, or relating to Parliament, or a parliament; parliamentary.

transferred. Of or pertaining to a Diet or other modern political assembly. Obsolete.

Of, belonging to, or relating to a parliament, or to Parliament as an institution; of the nature of a parliament.

Of or pertaining to a senate.

Of or pertaining to a senator or senators; characteristic of or befitting a senator; consisting of senators. With reference to modern senates.

Of or relating to a parliament, parliamentary; spec. belonging to or designating the Parliamentarians in the English Civil War.