The crossword solution for the term HITTING UP is LOFTING, which is a seven-letter word. Lofting is a term used in engineering and architecture to describe the process of creating a three-dimensional representation of a two-dimensional object. It is often used to create a scaled model of an object before it is built. Lofting is also used in boatbuilding, where it is used to create the shape of the hull from a set of plans.