Related Clues:

• Cause to burn
• Set a match to
• Outburst of violence
• Rise high
• Start to burn
• Enkindle
• Like 19-Across
• Wider at one end
• Start at a campsite
• Swan constellation
• Burst into flame
• Sudden outbreak
• Take an elevator, maybe
• Blazed with sudden flame - like temper
• Became suddenly bright or wide