The crossword solution for the term 'SUBMIT, AS A SUIT' is 'FILE'. The term 'FILE' is a verb that means to present or submit a document or other material to a court, government agency, or other authority. It is often used in the context of legal proceedings, such as filing a lawsuit or submitting a motion. In this case, the term is being used to suggest that the person submitting the document is doing so as part of a legal suit.