In general, the word prescriptive refers to normative judgments, i.e. judgments about what is good or bad, such as:

Prescriptive analytics, third and final phase of business analytics Linguistic prescriptivism, the laying down of normative language rules Prescriptive (normative) economics, branch of economics that incorporates value judgments Prescriptive ethics, as distinct from meta-ethics and descriptive ethics Prescriptive mood, a grammatical mood used in some languages

Other uses include:

Health care Medical prescription, a plan of care written by a physician or other health care professional Prescription drug, a drug available only if prescribed by a medical prescription Eyeglass prescription, written by an ophthalmologist or an optometrist for individuals with eye related concerns

Law Customary law, a right enjoyed through long use Easement#By prescription, acquisition of private property rights through uncontested use Prescription (sovereignty transfer), acquisition of sovereignty through uncontested use Statute of limitations#Prescription, in civil law jurisdictions, the time limit within which a lawsuit must be brought Prescribed sum, the maximum fine that may be imposed on summary conviction of certain offences in the United Kingdom Prescribed senior official, an individual who will be refused admission into Canada because of war crimes or crimes against humanity

Other uses Prescriptive barony, a "feudal" barony in Scotland Prescriptive notation, a type of Chinese musical notation

See also Prescription Act 1832, United Kingdom Proscription, word sometimes confused with prescription