Related Clues:

• "OK"
• Cowboy's affirmative
• Slangy okay
• '1-Across to 63-Across'
• "Okey-dokey"
• "I see"
• 'Amen, bro!'
• "Suuure ..."
• Single from Usher's 'Confessions'
• "Amen to that!"
• 'I suppose so'
• When said three times, 'Of course, obviously!'
• 'Couldn't agree more'
• Yes, gruffly
• Short agreement