Related Clues:

• Thing of worth
• Equally determined to produce benefit
• A keen eye, for a proofreader, say
• Beneficial quality
• Item of value on a spreadsheet
• It balances a debit
• Plus on the balance sheet
• Any property, in a real estate empire
• When scenery is an advantage
• Any plus item on a ledger
• Bachelor leaves dog something valuable
• It can be fixed
• Something that's useful to have
• Plus-column thing
• Singer's perfect pitch, say