What Does Agile Software Development Mean?
Agile Software Development is a lightweight software engineering framework that promotes iterative development throughout the life-cycle of the project, close collaboration between the development team and business side, constant communication, and tightly-knit teams.
Also known as agile development.
Techopedia Explains Agile Software Development
Generally, Agile methodologies promote a project management process that encourages frequent inspection and adaptation. This leadership philosophy encourages teamwork, self-organization and accountability. ASD is both a set of engineering best practices (allowing for rapid delivery of high quality software) and a business approach (aligning development with customer needs and goals).
The term was introduced in the "Agile Manifesto", which was published in February of 2001.