Related Clues:

• Employ a silver tongue
• Deliver a valedictory
• Give a keynote
• Give a stemwinder
• Give a lecture
• Have a conversation
• Supply addresses
• Mount the soapbox
• Speak from the soapbox
• Deliver an address
• Expound
• Give one's address?
• Say words
• Get on the soapbox
• Pipe up