The Collaborative International Dictionary
Featest
Feat \Feat\, a. [Compar. Feater; superl. Featest.] [F. fait made, shaped, fit, p. p. of faire to make or do. See Feat, n.] Dexterous in movements or service; skillful; neat; nice; pretty. [Archaic]
Never master had a page . . . so feat.
--Shak.
And look how well my garments sit upon me
Much feater than before.
--Shak.
Wiktionary
featest
a. (en-superlative of: feat)