Related Clues:

• Words with a nod
• "Oh, OK"
• Palmist's words
• Cry of contentment
• What a nod might mean
• Discerner's phrase
• Hot-tub sigh
• Satisfied sigh
• "... was blind, but now ___" ("Amazing Grace")
• ''Now it's clear!''
• 'Hmm ...'
• "So that's how it is!"
• 'This is so-o-o relaxing!'
• Understanding comment
• ''Gotcha!''