Enact

enact stems from the Latin prefix en- meaning "to make; cause to be" plus the Latin root act- meaning "to do." Thus, enact means "to cause to be done" or, specifically, "to make into a law."
The Senate enacted a bill against air pollution.

A word based on enact is enactment, meaning "the passing of a law" or "a law that has been passed."
The Senate's enactment of the air pollution bill goes into effect today.