lead-in Synonyms

prologue lead lede preface very beginning first step walk-up PB preview run up start intro front matter countdown curtain raisers explanatory matter opening gun curtain warmer opening shot curtain lifter spadework runup curtain raiser prolog prolegomenon proem inaugural foreword exordium establishment debut commencement birth beginning awakening induction initiation introduction presentation prelude preliminaries preliminary preamble overture opener opening kicker addition