Related Clues:

• Increase in power, hence an explosion
• Add (to end of text)
• Improve (the quality of)
• Increase points to Chinese folk at church
• Improve Morecambe, possibly, making room for new hospital
• Add (to the bottom of a document)
• Improve the quality of (something)
• Make (amount) greater
• Add a couple of pianos to finale
• In French state church needs to increase wealth
• Become greater
• Give money to gutted Estonian state church
• Where batsman is to expand
• Bolster
• Swell people will replace us within a month