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deontic

[ dee-on-tik ]
/ diˈɒn tɪk /
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adjective

of or relating to duty and moral obligation as ethical concepts.

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Origin of deontic

First recorded in 1950–55; from Greek deont- (stem of déon “binding,” neuter present participle of deîn “to bind, tie, fetter”) + -ic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

British Dictionary definitions for deontic

deontic
/ (diːˈɒntɪk) /

adjective

logic
  1. of or relating to such ethical concepts as obligation and permissibility
  2. designating the branch of modal logic that deals with the formalization of these concepts

Word Origin for deontic

C19: from Greek deon duty, from impersonal dei it behoves, it is binding
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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