Postmodernism
Merriam-Webster: Either "of, relating to, or being an era after a modern one", or "of, relating to, or being any of various movements in reaction to modernism that are typically characterized by a return to traditional materials and forms (as in architecture) or by ironic self-reference and absurdity (as in literature)", or finally "of, relating to, or being a theory that involves a radical reappraisal of modern assumptions about culture, identity, history, or language".