metaphysics

metaphysics is a Noun

Definition:

[1] The science of real as distinguished from phenomenal being; ontology; also, the science of being, with reference to its abstract and universal conditions, as distinguished from the science of determined or concrete being; the science of the conceptions and relations which are necessarily implied as true of every kind of being; phylosophy in general; first principles, or the science of first principles.

[2] Hence: The scientific knowledge of mental phenomena; mental philosophy; psychology. Metaphysics, in whatever latitude the term be taken, is a science or complement of sciences exclusively occupied with mind. Sir W. Hamilton. Whether, after all, A larger metaphysics might not help Our physics. Mrs. Browning.