Adjectives

(s)ace, A-one, crack, first-rate, super, tiptop, topnotch, top-notch, topsof the highest quality“an ace reporter”, “a crack shot”, “a first-rate golfer”, “a super party”, “played top-notch tennis”, “an athlete in tiptop condition”, “she is absolutely tops”

Adverbs

(r)first-rate, very wellquite well“she doesn't feel first-rate today”