Related Clues:

• Popular connector
• Frequent joiner
• Connector of the quip
• Conversational prompt
• Lightning-thunder connector
• So-so link?
• It often comes between partners
• Not only that
• Inclusive word
• 'Is that a fact!'
• 'Let's hear it'
• 'What happened next?'
• Keep going
• ''Is that a fact?''
• Part of a long sentence