Related Clues:

• Mentally bright
• Indisputable
• ''I can't deny that''
• Perfectly suited
• Perfectly correct
• It may be a walk-up: Abbr.
• 'No argument here'
• Quick to learn
• Beyond doubt
• Gifted
• Able to be proven
• ''You're right''
• Kind of blue?
• Dead on target
• 'Can't argue with that'