Related Clues:

• One of a matched set
• 'I'm impressed!'
• Word before 'I don't know'
• 'Goodness!'
• ''Wow!''
• Possessive pronoun
• Sound of surprise
• Towel pronoun
• Vanity plate in a two-car household
• His's partner
• ''Amazing!''
• One of a matching pair
• A relative of mine?
• 'How about that!'
• ''I didn't know that''