Shapely and graceful

• Gracefully well-proportioned
• Rarely used antonym of bumbling

Wiktionary Word definitions in Wiktionary
Etymology 1 adv. 1 suitably; fitly; conveniently; readily. 2 thoroughly; completely; (context with adjectives English) very. Etymology 2 a. 1 (context UK dialectal English) proper; suitable; becoming. 2 (context archaic English) Ready to help; kindly; gracious. ...

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
"well-formed and agile," 1886, probably a back-formation from ungainly . Earlier "ready, prompt" (1620s), from gain (n.).

WordNet Word definitions in WordNet
adj. graceful and pleasing; "gainly conduct"; "a gainly youth with dark hair and eyes"

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Gainly \Gain"ly\, adv. [See Gain , a.] Handily; readily; dexterously; advantageously. [Obs.] --Dr. H. More.