Philosophies traditionally start with a metaphysics: a theory of the essence of things, of the fundamental principles that organize the universe. Metaphysics is supposed to answer the question "What is the nature of reality?"
pespmc1.vub.ac.be/METAPHYS.html

The first major work in the history of philosophy to bear the title “Metaphysics” was the treatise by Aristotle that we have come to know by that name. But Aristotle himself did not use that title or even describe his field of study as ‘metaphysics’;
plato.stanford.edu/entries/aristotle-metaphysics/

There are more things in heaven and earth, Horatio, Than are dreamt of in your philosophy. William Shakespeare, Hamlet Prince of Denmark - The Perfect Fallacy, a Bias in Classical Metaphysics
www.friesian.com/metaphys.htm

It is obvious to any thoughtful person that our world is in great trouble, that we are heading rapidly towards self destruction due to human overpopulation and the resultant destruction of Nature, climate change and the pollution of air, land and water (contaminating everything we consume).
www.spaceandmotion.com/metaphysics.htm

Well, at age 81, Flew honestly followed the evidence and renounced his atheism, concluding that some sort of intelligence or first cause must have created the universe. He declared, "A super-intelligence is the only good explanation for the origin of life and the complexity of nature."
www.allaboutthejourney.org/metaphysics.htm

Mysticism is a phenomenon fraught with nuances, both linguistic and metaphysical. The Metaphysics, consequently, as a philosophic work, presumes to address issues of a nature less than congenial to the universe of ordinary discourse.
www.johnofthecross.com

Evolutionary Metaphysics means “to contemplate the existence of the universe in light of the theory of evolution”. Natural evolution depends on random mutation, and some people believe this proves that consciousness has no higher purpose. This might be true, but there are other important concepts that need to be considered before committing to any particular belief about our existence.
www.evolutionary-metaphysics.net