register, enroll, join, subscribe, enlist, sign on, sign in, sign up, sign, register for, apply, put one's name down, enter, become a member, sign oneself up, sign oneself in, sign oneself on, si... [more]
register, enroll, join, subscribe, enlist, sign on, sign in, sign up, sign, register for, apply, put one's name down, enter, become a member, sign oneself up, sign oneself in, sign oneself on, si... [more]