Noah Webster's 1828 American Dictionary of the English Language is regarded by many as the finest English
dictionary ever published. The dictionary is available in many forms. I made the content available here for my own purposes,
out of personal admiration for this particular dictionary.
AG'ILE, a. [L. agilis, from ago. See Act.] Nimble; having the faculty of quick motion in the limbs; apt or ready to move; brisk; active. And bending forward, stuck his agile heels.
agile appears in definitions for these words: ActiveAgileGoat