The Collaborative International Dictionary of English v.0.48:
Fair \Fair\, adv. Clearly; openly; frankly; civilly; honestly; favorably; auspiciously; agreeably. [1913 Webster] Fair and square, justly; honestly; equitably; impartially. [Colloq.] To bid fair. See under Bid. To speak fair, to address with courtesy and frankness. [Archaic] [1913 Webster]