Related Clues:

• Didn't merely grow
• Prospered
• Thundered
• Resounded
• Grew rapidly
• Did well, as the economy
• Was prosperous
• Shined
• Made a loud sound
• Increased significantly, as the economy
• Sounded like thunder
• Flourished vigorously
• Flourished (Var.)
• Blossomed
• Made deep resonant sound - or prospered