1. (

• introduction ,
• debut ,
• first_appearance ,
• launching ,
• unveiling ,
• entry ,

) the act of beginning something new; "they looked forward to the debut of their new product line" ;

2. (

• introduction

) the first section of a communication ;

3. (

• presentation ,
• introduction ,
• intro

) formally making a person known to another or to the public ;

4. (

• introduction ,

) a basic or elementary instructional text ;

5. (

• introduction ,

) a new proposal; "they resisted the introduction of impractical alternatives" ;

6. (

• insertion ,
• introduction ,
• intromission

) the act of putting one thing into another ;

7. (

• initiation ,
• founding ,
• foundation ,
• institution ,
• origination ,
• creation ,
• innovation ,
• introduction ,
• instauration

) the act of starting something for the first time; introducing something new; "she looked forward to her initiation as an adult"; "the foundation of a new scientific society" ;