Related Clues:

• 'That's clever'
• "That's using your head!"
• 'Nice thinking!'
• "Clever thought!"
• "Great suggestion"
• 'Why didn't I think of that?!'
• "I like that!"
• 'Good thinking!'
• "Swell suggestion!"
• 'That's using your head!'
• 'I like the way you think!'
• ''Yeah, let's try that!''
• 'How clever of you!'
• "How clever of you!"
• "Nice thinking!"