This paper investigates the history and concept of liberalism from its first uses to its most modern incarnations. The paper aims to serve as a primer for educators and educational researchers to better understand liberalism and its place as a foundational and controversial discourse in politics, social science, and education. Through reference to diverse sources, the essay inquires into the origins, nature, and usage of the term in multiple contexts. The paper concludes by speculating on the future use and applicability of this term.