Related Clues:

• Something of value, worth having
• And, arithmetically
• Valuable possession, worth having
• In addition, also
• A possession of some value
• Useful or valuable property
• Advantage, strength
• Positive and not a negative
• With the addition of
• It's a good thing that she has had a comeback
• No N in addition to this is enough to confound one
• It does one some good to be like a collection
• In the way it's placed, that's all to the good
• It's all to the good to be placed like this
• Let's have this - it's all to the good - to make it 13 across