Source : WordNet®

normative
     adj 1: relating to or dealing with norms; "normative discipline";
            "normative samples"
     2: giving directives or rules; "prescriptive grammar is
        concerned with norms of or rules for correct usage" [syn:
        {prescriptive}] [ant: {descriptive}]
     3: based on or prescribing a norm or standard; "normative
        grammar" [syn: {prescriptive}]
     4: dealing with or based on norms; "a normative judgment"