Related Clues:

• Deliver a valedictory
• Give a keynote
• Give a stemwinder
• Give a lecture
• Mount the soapbox
• Speak from the soapbox
• Deliver an address
• Expound
• Give one's address?
• Get on the soapbox
• Make an impressive delivery
• Like ospreys
• Enter a soapbox derby?
• Address grandly
• Address a crowd