Possible Clues:

• Adds, as to the pot
• Puts in a few dashes of sugar
• Improves, as an offer
• Adds sugar to
• Adds sugar
• Improves, as a deal
• Sugars
• Pacifies tiny number aboard ship
• For most of week, man the bar briefly in ship - it soothes things over
• Makes it less bitter, as tenses up around you and I