Added 10 October 2026 deductory adjective adjective ! Definition from Wiktionary (CC BY-SA). More about deductory at Wordnik → Where our words come from → deductive; involving deduction Related Words: deductivisticdeducivedeductivesubtractiveeductivedetractiousabductivehypothetico-deductivistapodeicticaldepreciatoryditheisticalinferential Back to today's word