seasoned (
http://definr.com/seasoned)
adj 1: aged or processed; "seasoned wood" [ant:
unseasoned]
2: having been given flavor (as by seasoning) [syn:
flavored,
flavoured]
3: rendered competent through trial and experience; "troops
seasoned in combat"; "a seasoned traveler"; "veteran
steadiness"; "a veteran officer" [syn:
veteran(a)]