introductory, preliminary, initial, opening, preparatory, prologue, preamble, preface, preceding,ursory, pref, prefative,atory
introductory, preliminary, initial, opening, preparatory, prologue, preamble, preface, preceding,ursory, pref, prefative,atory [x]
introduction, foreword, preamble, prologue, prelude, opening, preliminary, overture, exordium, preface
introduction, foreword, preamble, prologue, prelude, opening, preliminary, overture, exordium, preface [x]
