Legislative means to do with the making of laws. Legislative power.
It is one of the three arms of government, beside the executive and the judicial. A legislative body makes the law and does not apply it, which is the whole point of the split.
1adjectivelegislativeTo do with the making of laws.
“The legislative timetable left no room for it.”
legislative is a quality.
From legislate + -ive.
Etymology from Wiktionary, CC BY-SA