Definitions

1. adjective

relating to or dealing with moral obligations or rules

“The deontic implications of the law were complex and difficult to interpret.”

2. noun

a term in logic and ethics that denotes a statement that is about obligations or permissions

“Deontic logic is a branch of logic that studies the properties of deontic statements.”

3. adverb

in a way that is morally obligatory or permissible

“He acted deontically by choosing the option that was most ethical.”