1. a first public appearance or performance
2. the formal introduction of a young woman into society
Usage: formal

1. to make a first public appearance

Examples

• The young actress made her debut on Broadway last night.
• His debut novel became a bestseller within weeks.
• She attended her debutante ball at age eighteen.
• The band will debut their new song at tonight’s concert.
• The restaurant’s debut was highly anticipated by food critics.
• The rookie player had an impressive debut in the major leagues.
• The fashion designer’s debut collection received rave reviews.