of or relating to duty and moral obligation as ethical concepts.
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British Dictionary definitions for deontic
of or relating to such ethical concepts as obligation and permissibility
designating the branch of modal logic that deals with the formalization of these concepts
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