experienced

adj.

[1]	experient , adept , skilled , skilful , accomplished , practised , proficient , knowledgeable , knowing , wise , sage , sagacious , shrewd , prepared , (well-)informed , trained , (well-)versed , expert , master , masterly , qualified , professional , competent , efficient , capable , au fait , (Slang) on the ball , (US) savvy
[2]	mature , seasoned , sophisticated , battle-scarred , seasoned , veteran , (Slang) in the know , (US) savvy