introducer

transitive verb introduced, introducing

1. to lead or bring into a given place or position; conduct in
2. to put in or within; insert: to introduce an electric wire into a conduit
3. to bring or add as a new feature into some action, composition, etc.: to introduce a humorous note in a speech
4. to bring into use, knowledge, or fashion; make popular or common; institute: space science has introduced many new words
5. ☆ to offer (a new product) for sale
6. 1. to make acquainted; present (to another or others or to one another): please introduce me to your friend
   2. to present (a person) to society, a court, the general public, etc.
   3. to present (a performer) for a public appearance, as on stage or television
   4. to give knowledge or experience of: to introduce a freshman to campus life
7. to bring forward; bring to notice formally: to introduce a bill into Congress
8. to start; open; begin: to introduce a talk with an anecdote

Origin: L introducere < intro- (see intro-) + ducere, to lead: see duct