Neo-Darwinian is a term used to describe an evolutionary theory that incorporates both natural selection and genetic mutation. However, there are many synonyms for this term, each with its own nuance and connotation. Some of the most common synonyms for neo-Darwinism include Modern Synthesis, Synthetic Theory of Evolution, and Darwinian Synthesis. Other related terms include evolutionary biology, evolutionary theory, and evolutionary genetics. Each of these terms highlights a slightly different aspect of the field of evolutionary biology, but all reflect the core beliefs and principles that underlie this important area of scientific study.