Possible Clues:

• Polite reply from a ranch hand
• Polite rural affirmative
• Tom Sawyer affirmative
• Polite reply to a lady
• Subservient response
• Polite reply from a cowboy
• Tom's respectful reply to Aunt Polly
• Li'l Abner's ''OK'' to Mammy Yokum
• 'O.K.' from Tom Sawyer
• Quaint agreement