Source : Webster's Revised Unabridged Dictionary (1913)

Fair \Fair\, adv.
   Clearly; openly; frankly; civilly; honestly; favorably;
   auspiciously; agreeably.

   {Fair and square}, justly; honestly; equitably; impartially.
      [Colloq.]

   {To bid fair}. See under {Bid}.

   {To speak fair}, to address with courtesy and frankness.
      [Archaic]