Added 9 October 2026 behavioralism noun Categories: Obscure Words noun ! Definition from Wiktionary (CC BY-SA). More about behavioralism at Wordnik → Where our words come from → US standard spelling of behaviouralism. Related Words: behaviouralismestheticismpsychofunctionalismobservationalismskinnerianshakespearianismassocianismpsycho-functionalismspecieismspinozismpsychofunctionalistskinnerism Back to today's word