The crossword solution for the term 'capsize, with 'OVER'' is KEEL. A KEEL is a structural component of a boat or ship that runs along the centerline of the vessel from the bow to the stern. It provides stability and helps to reduce the amount of drag in the water. The KEEL also serves as an attachment point for the hull and other components of the vessel. In the event of a capsizing, the KEEL can be used to help right the vessel.