brisk

quick 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”

imparting vitality and energy

• “the bracing mountain air”

very active

• “doing a brisk business”

become brisk

• “business brisked up”