Sprightly

Adjective

1. Animated, gay or vivacious; lively, spirited. Synonyms: energetic, high-spirited, spright (chiefly Australia, US)Antonym: melancholy
2. Of a person: full of life and vigour, especially with a light and springy step. Synonyms: active, dynamic, mettlesome, vivacious
   1. Especially of an older person: energetic and in good health; spry.
3. (obsolete, rare) Of or relating to a sprite; ghostly, spectral.

Adverb

1. In a lively and vigorous way; sprightlily.