Related Clues:

• Available now
• With 11-Down, words before "here I come!"
• Well-prepared
• Well prepared
• Prepped
• Poised to perform
• 'Shall we go?'
• Starter's alert
• "All set to go!"
• Cautious (of)
• Careful
• Done preparing
• Word to a marksman
• Word flashed at the beginning of some video games
• Query before a big event