Related Clues:

• Agreeable response
• "Oh, what the heck"
• Pretty good
• 'Count on it!'
• State of matter
• Confident
• Hard as a rock
• 'Not a problem'
• Indisputable
• ''Absolutely!''
• 3-D figure
• Unbroken, as a line
• All muscle
• Not flimsy
• Without a doubt