Definition of constitutive adjective from the Oxford Advanced Learner's Dictionary
constitutive
adjective
ˌkɒnstɪˈtjuːtɪv ˌkɑːnstəˈtuːtɪv
(formal) constitutive (of something)forming a part, often an essential part, of somethingMemory is constitutive of identity.Poverty is a constitutive element of a particular form of economic growth.