Prescriptive /(?)/
Pre·scrip·tive
Prescriptive
a.
-
Consisting in, or acquired by, immemorial or long-continued use and enjoyment; as, a prescriptive right of title; pleading the continuance and authority of long custom. (Law)
The right to be drowsy in protracted toil has become prescriptive.
- Of or pertaining to the doctrine that acceptable grammatical rules should be prescribed by authority, rather than be determined by common usage.