Related Clues:

• ''That's how it is, eh?''
• 'O.K.'
• 'It all comes clear'
• Ah follower
• 'Oh'
• Visionary's words
• 'Understood'
• Sneeze syllable
• Shrink rap?
• Train-sound syllable
• What a nod may mean
• 'Hmmm ...'
• ''Ah, gotcha!''
• 'Mm-hmm'
• Chin-stroking phrase