Registration/ˌredʒɪˈstreɪʃn/ Definition 1 of 4Pro Tip 1/3Action Required Implies there's a procedure or steps to follow for official purposes. Please follow the registration process for the conference. Pro Tip 2/3Starting Point Often the first step before using services or participating in activities. Registration is the first step before you can start the course. Pro Tip 3/3Confirmation Used when your presence or participation is acknowledged officially. After your registration, you will receive a confirmation email.