D defs.my
Entry 2 senses Webster, 1913

Constitutive

/känˌ-stĭt'-o͞ot-ĭvˌ/ · Con·sti·tu·tive · IPA /kənˈstɪt͡ʃuˌtɪv/
01 a. Tending or assisting to constitute or compose; elemental; essential.
  1. 1.
    Tending or assisting to constitute or compose; elemental; essential.
    “An ingredient and constitutive part of every virtue.” Barrow.
  2. 2.
    Having power to enact, establish, or create; instituting; determining.