1. (n.) The act of introducing, or bringing to notice.

2. (n.) The act of formally making persons known to each other; a presentation or making known of one person to another by name; as, the introduction of one stranger to another.

3. (n.) That part of a book or discourse which introduces or leads the way to the main subject, or part; preliminary; matter; preface; proem; exordium.

4. (n.) A formal and elaborate preliminary treatise; specifically, a treatise introductory to other treatises, or to a course of study; a guide; as, an introduction to English literature.

Vorspiel abecedarium abecedary access acknowledgments acquaintance acquaintedness act admission afterpiece and arithmetic aside avant-propos back back matter bastard title bibliography bit breakthrough catch line catchword chaser close acquaintance cloture coinage colophon coming out committee consideration concert overture contents contents page copyright page curtain curtain call curtain raiser debate debut dedication deliberation descant discovery divertimento divertissement division dramatic overture elementary education elements embarkation embarkment embedment endleaf endpaper endsheet entrance entree entry epilogue episode errata exode exodus exordium expository scene filibuster filibustering filing finale first appearance first reading first steps floating flotation flyleaf folio fore edge foreword front matter frontispiece graft grafting half-title page head hoke act hornbook impaction impactment implantation import importation importing imprint inaugural address inauguration income incoming index induction infiltration infix infixion infusion ingoing ingress ingression initiation injection innovation inoculation input inscription insert insertion insinuation installation installment intake intercalation interjection interlineation interlocution interlude intermezzo intermission interpenetration interpolation introgression intromission intrusion invention knockdown launching leaf leakage leap logrolling maiden speech makeup neologism new phase novelty number obiter dictum opener operatic overture overture page parenthesis penetration percolation perfusion postulate preamble preface prefix prefixture preliminaries preliminary prelude premise presentation presupposition primer proem prolegomena prolegomenon prolepsis prologue propaedeutic protasis reading reception recto remark reverso roll call routine rudiments running title scene second reading seepage shtick side remark signature sketch skit song and dance stand-up comedy act steamroller methods striptease subtitle table of contents tabling tail talkathon tessellation text third reading title title page tossing-in trim size turn type page unveiling vamp verse verso voluntary vote writing