skilled having or showing or requiring special skill; "only the most skilled gymnasts make an Olympic team"; "a skilled surgeon has many years of training and experience"; "a skilled reconstruction of her damaged elbow"; "a skilled trade"
full-fledged,
fully fledged (of persons, e.g.) having gained full status; "a full-fledged lawyer"; "by the age of seventeen I was a full-fledged atheist"; "sees itself as a fully fledged rival party"
versed,
knowledgeable,
intimate alert and fully informed; "a knowing collector of rare books"; "surprisingly knowledgeable about what was going on"
older,
old of a very early stage in development; "Old English is also called Anglo Saxon"; "Old High German is High German from the middle of the 9th to the end of the 11th century"
