a. [ Cf. F. dormitif, fr. dormire to sleep. ] Causing sleep; as, the dormitive properties of opium. Clarke. -- n. (Med.) A medicine to promote sleep; a soporific; an opiate. [ 1913 Webster ]
adj. 1. relating to or dealing with norms; as, normative discipline; normative samples. [ WordNet 1.5 ]
2. (Grammar) giving directives or rules; prescriptive. Opposed to descriptive. Syn. -- prescriptive. [ WordNet 1.5 ]
3. based on or prescribing a norm or standard; as, normative grammar. [ WordNet 1.5 ]