Epistemic: Broadly construed, ‘epistemic’ means the cognitive relationship between human minds and the world, the general sphere of conceptual relationships and the higher order logical rules that are thought to govern that relationship in a given epoch of knowledge.

Source: What is Good? What is Bad? The Value of All Values across Time, Place and Theories’ by John McMurtry, Philosophy and World Problems, Volume I-III, UNESCO in partnership with Encyclopedia of Life Support Systems: Oxford, 2004-11.