prescribed Definition

prescribe
verb prescribed, prescribing

1. Said especially of a doctor: to advise (a medicine) as a remedy, especially by completing a prescription.
2. To recommend officially (eg a text for academic study).
3. To lay down or establish (a duty, penalty, etc) officially.

Thesaurus: command, decree, require, dictate, direct, appoint, assign, specify, stipulate, impose, lay down, rule, set, fix, define.

Derivative: prescriber
noun

Etymology: 16c: from Latin praescribere to write down beforehand, from scribere to write.

Info:

A word sometimes confused with this one is proscribe.