Definitions for "Ontological"
See Ontological argument for God
The science of, or the study of, being. Raises questions about the nature of reality, and it refers to the claims or assumptions that a particular approach to social enquiry makes about the nature of social reality, ie about what exists, what it looks like, what units make it up, how they interact with each other, and what counts as evidence
From RDF Semantics ( 2004-02-10) (adj.) (Philosophy) Concerned with what kinds of things really exist. (Applied) Concerned with the details of a formal description of some topic or domain.
Keywords:  ovum, fertilized, organs
resulting from the one and the same fertilized ovum; re organs.
of or relating to ontology; "ontological speculations"
the science of being or related to being itself.
Keywords:  pertaining
Of or pertaining to ontology.