early 15c., "act the part of, represent in performance," from en- (1) "make, put in" + act (v.). Meaning "decree, establish, sanction into law" is from mid-15c. Related: Enacted; enacting.
the legislature enacted this law in 1985
en passant
en route
en suite
enable
enabler
enact
enactment
enamel
enamor
enamored
enamour