constitutive
adjective
[ ˈkɒnstɪtjuːtɪv ]
• having the power to establish or give organized existence to something.
• "the state began to exercise a new and constitutive function"
• forming a part or constituent of something.
• "poverty is a constitutive element of a particular form of economic growth"
• relating to an enzyme or enzyme system that is continuously produced in an organism, regardless of the needs of cells.