debut debut /ˈdeɪbjuː/

noun

1. () The act of beginning something new  ( first appearance , launching , unveiling , debut , entry , introduction )
   the act of beginning something new
    They looked forward to the debut of their new product line
   they looked forward to the debut of their new product line
   
2. The presentation of a debutante in society  ( debut )
   the presentation of a debutante in society
   

verb

1. () (performing arts) present for the first time to the public  ( debut )
   (performing arts) present for the first time to the public
    The band debuts a new song or two each month
   The band debuts a new song or two each month
   
2. () (performing arts) appear for the first time in public  ( debut )
   (performing arts) appear for the first time in public
    The new ballet that debuts next months at Covent Garden, is already sold out
   The new ballet that debuts next months at Covent Garden, is already sold out
   
3. (performing arts) make one's debut  ( debut )
   (performing arts) make one's debut
    This young soprano debuts next month at the Metropolitan Opera
   This young soprano debuts next month at the Metropolitan Opera