Definition of constitutive
adjective
1having the power to establish or give organized existence to something:the state began to exercise a new and constitutive function
2forming a part or constituent of something:poverty is a constitutive element of a particular form of economic growth forming an essential element of something:language is constitutive of thought
3 Biochemistry relating to an enzyme or enzyme system that is continuously produced in an organism, regardless of the needs of cells.