Reformation refers to a process of bringing significant change, improvement, or correction in existing beliefs, institutions, practices, or systems. It aims to remove defects, outdated customs, and harmful traditions while introducing better methods and ideas. Unlike a revolution, which often seeks sudden and radical transformation, reformation usually takes place gradually through peaceful means such as education, awareness, legal measures, public opinion, and social movements. The idea of reformation is closely connected with progress, justice, equality, and human welfare. Throughout history, reform movements have played an important role in shaping societies by challenging unfair practices and encouraging rational thinking. The term reformation has different meanings depending on the context. In religion, it refers to efforts to correct religious practices and beliefs that are considered corrupt or inconsistent with original teachings. The Protestant Reformation of the sixteenth century in Europe, led by Martin Luther, is one of the most famous examples. It questioned the authority and practices of the Roman Catholic Church and resulted in the emergence of Protestant churches. This movement encouraged individuals to read religious texts, promoted freedom of thought, and contributed to the spread of education and literacy. In the social context, reformation means changing customs and traditions that create inequality or injustice. Social reformers identify problems within society and work to eliminate them through awareness, legislation, and collective action. Social reforms seek