The debut of a performer or sports player is their first public performance, appearance, or recording. Dundee United's Dave Bowman makes his international debut. her debut album `Sugar Time'. the first public appearance of an entertainer, sports player etc or of something new and important sb's debut (début, from débuter , from but )
{i} opening of a show; first public appearance; young woman's formal introduction to society
make one's debut; "This young soprano debuts next months at the Metropolitan Opera"
present for the first time to the public; "The and debuts a new song or two each month
the presentation of a debutante in society appear for the first time in public; "The new ballet that debuts next months at Covent Garden, is already sold out"
the act of beginning something new; "they looked forward to the debut of their new product line"