Related Clues:

• Kicks in
• Leads off
• Fits' partners
• Launches
• They may be false
• Pitches the first inning
• Gets under way
• Is first-string
• Turns on, as a car
• Sudden movements
• Gets the ball rolling
• Is on the A-team
• Turns over, as an engine
• Makes sudden movement as from surprise
• Begins - or jumps as with fright