Related Clues:

• Convert one model for engineer
• Jazzy ad-lib
• "Whose Line Is It Anyway?" line
• Manage? It's what one will expect from wedding planner!
• Temporary expedient
• Jazz it up?
• Riff on stage
• Bluff one's way through
• Compel someone to act as a substitute?
• Off-the-cuff remark
• Speak without preparation
• Improvise one's lines
• Form of pasta
• Failing to start ribald dance without rehearsal
• Manage somehow to forge note