introduction Definition

1. The act or process of introducing or process of being introduced.

Thesaurus: admittance, initiation, entrance, inception, installation, induction, influx, debut, baptism, start, beginning, onset.
2. A presentation of one person to another or others.
3. A section at the beginning of a book which explains briefly what it is about, why it was written, etc.

Thesaurus: preface, preamble, prefatory note, foreword, prologue.
4. A book which outlines the basic principles of a subject, suitable for beginners.
5. A short passage of music beginning a piece or song, or leading up to a movement.

Thesaurus: prelude, overture.
6. Something which has been introduced.