Related Clues:

• Line of sight?
• "Makes sense!"
• "I've got it!"
• "Roger"
• 'That's how it's going to be, is it?'
• Words with a nod
• "Oh, OK"
• Palmist's words
• What a nod might mean
• Discerner's phrase
• "... was blind, but now ___" ("Amazing Grace")
• Archimedes' outcry
• ''Now it's clear!''
• Joke hearer's comment
• Discoverer's cry