Related Clues:

• ''Rad!''
• ''All systems go''
• 'Thumbs up'
• Apollo affirmative
• Boxing's LaMotta
• 'Fantabulous!'
• Comment from a capsule
• Supercool
• ____ And The Kid
• ''Swell!''
• Nifty in the '50s
• Proceeding normally
• "That's awesome!"
• ''Outta sight!''
• 44-Across, updated