Related Clues:

• Word professors like to hear
• Run a fever, say
• Word of apprehension
• Insightful cry
• 'I just thought of something!'
• "I just thought of something!"
• ''Now it's clear''
• Sound of a light going on?
• ''Look what I found!''
• 'Well, look what we have here!'
• 'So it was you!'
• ''So that's what that means!''
• Going up and down with surprised expression
• Either way it expresses surprise
• No hope of confining surprised expression