Prescriptive

[prɪ'skrɪptɪv]

Definition

(adj.) pertaining to giving directives or rules; 'prescriptive grammar is concerned with norms of or rules for correct usage' .

Checker: Myrna--From WordNet

Definition

(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.

Checked by Irving