Postmodernism is a complex philosophical and cultural movement that challenges traditional modes of expression and interpretation. The word "postmodernist" is often used to describe a person who embraces these new ways of thinking and creating. However, there are many synonyms for this term that can help to broaden our understanding of the movement. Some more specific synonyms for postmodernism include deconstructionism, post-structuralism, and critical theory. Other related terms could include relativism, anti-foundationalism, and cultural pluralism. Each of these terms offers a slightly different perspective on the movement, but all share the common goal of questioning established norms and seeking new modes of expression and understanding.