| preface(noun, start, beginning, opening, words) |
| introduction(noun, start, lead, new, beginning) |
| prologue(noun, start, opening, words, addition) |
| proem(noun, opening, launch, addition, establishment) |
| prelude(noun, event, start, beginning, opening) |
| foreword(noun, start, opening, words, launch) |
| preliminary(noun, beginning, opening, introduction, preface) |
| prolegomenon(noun, expression, start, sign, hint) |
| exordium(noun, opening, launch, addition, establishment) |
| overture(noun, start, approach, beginning, opening) |
| opening(noun, start, approach, beginning, addition) |
| prolegomena(noun, prelude, precursor) |
| induction(noun, start, opening, words, addition) |
| intro(start, beginning, opening, addition, establishment) |
| introduce |
| lead-in(noun, start, beginning, opening, words) |
| prefix(noun, precursor) |
| beginning(noun, start, opening, launch, addition) |
| frontispiece |
| groundwork |