I. ˈfētlē, -li adverb
Etymology: Middle English fetly, from fete, fayt suitable + -ly — more at feat
1.
a. : fitly , properly
b. : neatly and beautifully
a chick featly feathered in royal scarlet — Llewelyn Powys
2. : gracefully and nimbly or dexterously
foot it featly here and there — Shakespeare
convinced that a conductor should handle himself as featly as his orchestra — Time
3. : skillfully
II. adjective
( often -er/-est )
1. : graceful
one of the lead horses … lifting his forefeet in featly fashion — Howard Taubman
2. obsolete : neat and comely ; also : appropriate , just , fitting