Related Clues:

• Fire up the engine
• Fill with fizz
• Add sparkle to?
• Part of IRS: Abbr.
• Clear of stale odors, maybe
• Flock leader, familiarly
• MLK's title
• Minister, briefly
• Intensify, with ''up''
• Cleric's title (Abbr.)
• Fill up with gas
• Race, as a motor
• Charge with gas
• Accelerate, with ''up''
• Accelerate, briefly