Related Clues:

• Cool and bracing
• Houyhnhnm's creator
• Like the Wallendas
• "Gulliver's Travels" author
• Gymnastically gifted
• Vigorously active
• Like fall weather
• Like autumn air
• Lively, especially for one's age
• Word with fire or transit
• Quick on the uptake
• Like gymnasts
• Expeditious
• Feeling one's oats
• Like a good gymnast