See first-class in Webster's New World Roget's A-Z Thesaurus II
adjective
Exceptionally good of its kind:
ace, banner, blue-ribbon, brag, capital, champion, excellent, fine1, first-rate, prime, quality, splendid, superb, superior, terrific, tiptop, top. (Informal) A-one, bully, dandy, great, swell, topflight, topnotch. (Slang) boss. (Chiefly British) tophole. See goodOf fine quality:
choice, fine1, prime, select, superior. See better
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