Prescriptively and Prescriptive
(adv.) By prescription.
Webster's Revised Unabridged Dictionary
adjective
- Pertaining to giving directives or rules.
- usage: "prescriptive grammar is concerned with norms of or rules for correct usage"
- synonyms: normative
WordNet 3.0 © 2006 by Princeton University
(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.
Webster's Revised Unabridged Dictionary