1580s, from Middle French agile (14c.) and directly from Latin agilis "nimble, quick," from agere "to move, drive" (see act (n.)). Related: Agilely.

active and quick to respond.

lively; nimble

adj. Able to move or act quickly, physically, or mentally.

1. A specific set of values and principles, as expressed in the Agile Manifesto (Beck et al. 2001). 2. An umbrella term used for a group of related approaches to software development based on iterativ [..]

Upper case when referring to the Agile Manifesto and principles and processes, otherwise use lower case.

This refers to a type of project management process. Projects that use the Agile process utilize an iterative and incremental process for the design and development of a website or web application. Se [..]

(adj) moving quickly and lightly(adj) mentally quick

Instead of focusing on trying to document all requirements upfront and delivering the complete software solution at the end of the project (as in waterfall), agile premiers working software over comprehensive documentation. This is done by delivering software in small batches often at the end of weekly or biweekly "sprints". There are dif [..]

 – swiftly

Application of Galileo in the LBS environment (EC FP6 2005-07).

A quality of an organization and its people to be adaptive, responsive, continually learning, and evolving.

Agile is a group of iterative and incremental software development methods. It encourages flexibility and speed in responding to change. It requires collaboration between self-organized, cross-functio [..]

The word agile used in this sense comes from the world of software development and is based on iterative and incremental development.

Having the faculty of quick motion in the limbs; apt or ready to move; nimble; active; as, an agile boy; an agile tongue. * Sir Arthur Conan Doyle in ''The Hound of the Baskervilles'' *: The man d [..]