Level off is a term used in aviation and other contexts to describe the process of maintaining a constant altitude or attitude. In aviation, it is used to refer to the process of adjusting the aircraft's pitch and power settings to maintain a constant altitude. In other contexts, it can refer to the process of maintaining a steady level of performance or activity. The crossword solutions for the term level off are EVEN (4 letters), PLANE (5 letters), and PLATEAU (7 letters). EVEN refers to the idea of keeping something at an EVEN level, while PLANE and PLATEAU both refer to the idea of maintaining a flat surface or a constant altitude.