Related Clues:

• Comprehend
• 'Understand?'
• 'Savvy?'
• See
• Understand
• 'Here!'
• Bad humorist's question
• ''--- to the Limit'' (Eagles hit)
• Catch on
• Catch the drift
• "Understand?"
• 'See?'
• See the light
• Joke teller's question
• Be in on the joke