Definition of principiative in US English:

principiative

adjective

Philosophy
rare
  • That principiates; originating, initiating.

Origin

Mid 17th century; earliest use found in Walter Charleton (1620–1707), physician and natural philosopher. From post-classical Latin principiativus originative, causative from principiat-, past participial stem of principiare + classical Latin -īvus.

Pronunciation

principiative

/prɪnˈsɪpɪətɪv/