Legislative
Merriam-Webster Online Dictionary
legislative (adjective)1.
a) having the power or performing the function of - legislating
b) belonging to the branch of government that is charged with such powers as making laws, levying and collecting taxes, and making financial appropriations - compare executive judicial
2.
a) of or relating to a - legislature legislative committees
b) composed of members of a legislature - legislative caucus
c) created by a legislature especially as distinguished from an executive or judicial body
d) designed to assist a legislature or its members - a legislative research agency
3.
of, concerned with, or created by - legislation legislative courts
the body or department exercising the power and function of - legislating legislature