Related Clues:

• Words of comprehension
• 'Good going!'
• 'Uh-huh'
• Understanding words
• 'Gotcha!'
• Words of understanding
• Psychiatrist's response
• 'You bet!'
• Slangy approval
• Words of enlightenment
• 'Now it's clear!'
• 'Oh, right!'
• 'Aha!'
• Oater affirmative
• 'Why not?'