Related Clues:

• Ready to roll
• Functioning
• In position
• Poised for action
• Done cooking
• First word of a three-word command
• 'Set?'
• Engaged, as an engine
• Available now
• Ready to be driven
• With 11-Down, words before "here I come!"
• Well-prepared
• Well prepared
• Prepped
• Poised to perform