'Agile Methodology' encompasses a group of principles for software development, facilitating evolutionary development and solutions through collaborative efforts of self-organizing, cross-functional teams. It emphasizes adaptive planning, continuous improvement, early delivery, and a flexible response to change.

Originating in the early 2000s to address traditional software development methods' limitations, the Agile Manifesto highlights the importance of individual interactions, working software, customer collaboration, and adaptability to change.

Agile methods like Scrum and Kanban emphasize iterative development, with evolving requirements and solutions developed through team collaboration. Agile fosters disciplined project management, encouraging frequent inspection, adaptation, teamwork, self-organization, and accountability.

Agile's adaptability and focus on customer satisfaction have led to its widespread adoption in software development, especially effective in managing the unpredictability of software creation.