Related Clues:

• Increase, as production
• Jack up
• Increase rapidly
• Heat up
• Increase by degrees
• Make your presence known
• Kick up
• Promotion
• Grow more intense
• Tease Cal badly and mount up
• Increase - or ascend
• Cause to increase, say dispute (8).
• Increase as with pace - or ascend stair?
• Increase in intensity or extent
• Raise to higher level, perhaps war