The crossword solution for the term 'fulfil a requirement' is 'QUALIFY'. To QUALIFY means to meet the necessary requirements or criteria for something. It can refer to a person, a product, or a service. Qualifying is often a prerequisite for achieving a certain goal or status. For example, in order to become a doctor, one must first QUALIFY by completing medical school and passing the necessary exams. Qualifying is also used in sports, where athletes must meet certain standards in order to compete in a particular event.