To ordain is to make an ordinance, to enact a law. 2. In the constitution of the United States, the preamble. declares that the people do ordain and establish this constitution for the United States of America. The 3d article of the same constitution declares, that the judicial power shall be vested in one supreme court, and in such inferior courts as the congress may from time to time ordain and establish.
ORDAIN
TheLaw.com Law Dictionary & Black's Law Dictionary 2nd Ed.