Of things seen or heard: (a) beautifully, splendidly, attractively, neatly; (b) brightly; (c) pleasantly, sweetly.

Of conduct or dealing with others: courteously, graciously; becomingly, properly, with propriety, duly; honorably, nobly.

Of speech and address: (a) fluently, eloquently, elegantly; fair(e-spoken, -spekand, eloquent; (b) courteously, kindly, affably; (c) approvingly, flatteringly.

Of actions: equitably, justly, fairly; by fair means.

(a) Of fortune or chance: auspiciously, favorably, happily, safely; faire and wel; faire befalle you, good luck to you; falle it foule or faire, whatever may happen; (b) in phrase ~ set, of weather: likely to remain clement [cp. OED 'fair-set' adj. (s.v. fair adv.) and 'set fair' phrase (s.v. set adj.1, 6.(c))].

Of actions: (a) gently, carefully, slowly; (b) with moderation, moderately.

Of degree, amount, or quality: (a) adequately, well enough, in good condition; faire enough; (b) fully, completely, very much; wel faire, ful ~, fair and wel; fair and clen; (c) plainly, clearly.

Exactly, precisely; right (on one's feet), right (there, then, across, etc.).