first-class

• POS: Adjective, Adverb

CIDE DICTIONARY

first-class, a. 

 Of the best class; of the highest rank; in the first division; of the best quality; first-rate; as, a first-class telescope.  [1913 Webster]

First-class car or First-class railway carriage, any passenger car of the highest regular class, and intended for passengers who pay the highest regular rate; -- distinguished from a second-class car.

ROGET THESAURUS

first-class

Goodness

N goodness, excellence, merit, virtue, value, worth, price, super-excellence, supereminence, superiority, perfection, coup de maitre, masterpiece, chef d'ouvre, prime, flower, cream, elite, pick, A, nonesuch, nonpareil, creme de la creme, flower of the flock, cock of the roost, salt of the earth, champion, prodigy, tidbit, gem, gem of the first water, bijou, precious stone, jewel, pearl, diamond, ruby, brilliant, treasure, good thing, rara avis, one in a thousand, beneficence, good man, harmless, hurtless, unobnoxious, innocuous, innocent, inoffensive, beneficial, valuable, of value, serviceable, advantageous, edifying, profitable, salutary, favorable, propitious fair, good, good as gold, excellent, better, superior, above par, nice, fine, genuine, best, choice, select, picked, elect, recherche, rare, priceless, unparagoned, unparalleled, superlatively, good, bully, crackajack, giltedged, superfine, superexcellent, of the first water, first-rate, first-class, high- wrought, exquisite, very best, crack, prime, tiptop, capital, cardinal, standard, inimitable, admirable, estimable, praiseworthy, pleasing, couleur de rose, precious, of great price, costly, worth its weight in gold, worth a Jew's eye, priceless, invaluable, inestimable, precious as the apple of the eye, tolerable, up to the mark, unexceptionable, unobjectionable, satisfactory, tidy, in good condition, in fair condition, fresh, sound, beneficially, well, Jewels five words long, long may such goodness live!, the luxury of doing good.