Moral RECTITUDE is a term used to describe behavior that is considered to be morally correct. It is often associated with the concept of doing what is RIGHT and avoiding what is wrong. RECTITUDE is derived from the Latin word rectus, which means 'RIGHT' or 'STRAIGHT'. This term is often used to refer to a person's adherence to a moral code or ethical principles. In other words, it is a measure of how well someone follows a set of moral standards.