Possible Clues:

• Accumulate a small volume - then repent
• Allow for (charge) at end of accounting period
• (Of money) build up by regular receipts
• Add up
• Build up a working party - sound sense!
• An eight, say, is to be added
• Be added
• Show appreciation of a boating team in speech
• Accumulate or amass like interest
• This will grow to be enough to manage the ship, by the sound of it