alethic

From Ancient Greek ἀλήθεια (alḗtheia, “truth”) +‎ -ic.

• IPA^(key): /əˈliːθɪk/, /əˈlɛθɪk/

alethic (comparative more alethic, superlative most alethic)

1. (logic) Of or pertaining to the various modalities of truth, such as the possibility or impossibility of something being true.
   • 2003, Nicholas Asher, Alex Lascarides, Logics of Conversation, page 46:

     The modal operators □ and ◊ stand for alethic necessity and possibility.

• alethiology

• “alethic”, in OneLook Dictionary Search.

• ethical