Related Clues:

• 'Gotcha'
• 'Impressive!'
• 'Cool, man!'
• 'Cool, dude!'
• 'Cool, man'
• 'Gotcha,' to a beatnik
• 'That's cool, man'
• 'Cool, dude'
• "Cool, dude!"
• 'Cool,' to a cool cat
• 'Gotcha, man!'
• "That's cool"
• 'That's cool, daddy-o!'
• "Righteous, dude!" ... or, parsed differently, a hint to parts of the starred clues' answers