Explanationism is a term that refers to the philosophical belief that seeks to explain every aspect of the world through logical reasoning. Other synonyms for this term include rationalism, which stands for the notion that reason and intuition are the primary sources of knowledge; scientism, which involves the application of scientific methods to all aspects of life, including the study of human behavior; and skepticism, which encourages the questioning of beliefs and attitudes based on evidence and reason. Other related terms include empiricism, which relies on observational evidence; determinism, which suggests that events are predetermined; and reductionism, which breaks down complex phenomena into simpler components for study. Ultimately, explanationism and its synonyms emphasize the importance of rational analysis and logic in understanding the world.