Related Clues:

• Served
• Helped
• Made use of
• Was of use
• Made use (of)
• Availed
• Was acceptable
• Took advantage
• Benefited
• Aided
• A five weren't there as well - that helped
• A bribe given to 12 was effective
• Profited from area concealed in hearing
• Profited from hearing a secret
• Helped a number and suffered for it