Verbs

(v)brisk, brisk up, briskenbecome brisk“business brisked up”

Adjectives

(s)alert, brisk, lively, merry, rattling, snappy, spanking, zippyquick and energetic“a brisk walk in the park”, “a lively gait”, “a merry chase”, “traveling at a rattling rate”, “a snappy pace”, “a spanking breeze”
(s)bracing, brisk, fresh, refreshing, refreshful, tonicimparting vitality and energy“the bracing mountain air”
(s)briskvery active“doing a brisk business”