Definition: the act of beginning something new; "they looked forward to the debut of their new product line"
Definition: the presentation of a debutante in society
Definition: A performer's first performance to the public, in sport, the arts or some other area.
Definition: present for the first time to the public; "The band debuts a new song or two each month"
Definition: appear for the first time in public; "The new ballet that debuts next months at Covent Garden, is already sold out"
Definition: make one's debut; "This young soprano debuts next month at the Metropolitan Opera"
Definition: to formally introduce, as to the public