Noun
1. the first section of a communication
2. the act of beginning something new;
"they looked forward to the debut of their new product line"3. formally making a person known to another or to the public
4. a basic or elementary instructional text
5. a new proposal;
"they resisted the introduction of impractical alternatives"6. the act of putting one thing into another
7. 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""he regards the fork as a modern introduction"