Related Clues:

• Gradually diminish
• Go with the flow, sometimes
• Actor Robin
• Cary Grant's original surname
• Flow counterpart
• Source of maple syrup
• Die away
• Tidal withdrawal
• Maple yield
• Recede, as the tide
• It runs up trees
• Kander's "Cabaret" collaborator
• A drop in the ocean?
• Syrup-to-be
• Decline gradually