The Collaborative International Dictionary of English v.0.48:
Achiever \A*chiev"er\, n. One who achieves; a winner. [1913 Webster]WordNet (r) 3.0 (2006):
achiever n 1: a person with a record of successes; "his son would never be the achiever that his father was"; "only winners need apply"; "if you want to be a success you have to dress like a success" [syn: achiever, winner, success, succeeder] [ant: failure, loser, nonstarter, unsuccessful person]