Adjective
Ontological.
Pertaining to being generally, as opposed to some theory of it (which would be ontology).
Source: en.wiktionary.orgAt the end of ancient civilization ontic anxiety is predominant, at the end of the Middle Ages moral anxiety, and at the end of the modern period spiritual anxiety. Paul Tillich
The metaphysical question is sometimes asked: "Could quantum mechanics be extended by adding so-called "hidden variables" to the mathematical formalism, to convert it from an epistemic to an ontic theory?" Source: Internet
This may be contrasted with Einstein's view, that physics should look for 'really existing objects', making itself an ontic theory. Source: Internet