normative; prescriptive
Used in academic, philosophical, or formal contexts to describe standards, rules, or ideals that prescribe how things should be, rather than describing how they are.
Prescriptive grammar establishes the correct usage of language.
His research focuses on normative ethics.
記述的 means 'descriptive', often contrasted with 規範的 in linguistics and philosophy.
normative economics
Compound of 規範 (norm, standard) + 的 (-like, -ive). The suffix 的 derives from Chinese and forms adjectival nouns.