Stage a comeback is an expression used to describe the act of making a return to a situation or activity after a period of absence. The term can be used in many different contexts, such as sports, business, and personal relationships. In this context, the crossword solution 'RALLY' is a fitting answer, as it implies a gathering of people or resources in order to make a comeback. A RALLY is often used to bring people together to support a cause or to encourage a team to make a comeback.