The Collaborative International Dictionary of English v.0.48:

Feateous \Feat"e*ous\, a. [Cf. OF. faitis, faitice, fetis, well
   made, fine, L. facticius made by art.]
   Dexterous; neat. [Obs.] --Johnson. -- Feat"e*ous*ly, adv.
   [1913 Webster]