| initiation(opening, addition, establishment, introduction, preface) |
| insertion(opening, addition, establishment, introduction, preface) |
| installation(opening, addition, establishment, introduction, preface) |
| institution(opening, addition, establishment, introduction, preface) |
| interpolation(opening, addition, establishment, introduction, preface) |
| intro(opening, addition, establishment, introduction, preface) |
| introduction(noun, new, opening, something, preface) |
| launch(opening, addition, establishment, introduction, preface) |
| lead(opening, addition, establishment, introduction, preface) |
| lead-in(noun, opening, addition, establishment, introduction) |
| opening(addition, establishment, introduction, preface, prelude) |
| opening remarks(expression, opening, addition, establishment, introduction) |
| overture(opening, addition, establishment, introduction, preface) |
| pioneering(opening, addition, establishment, introduction, preface) |
| preamble(opening, addition, establishment, introduction, preface) |
| preface(opening, addition, establishment, introduction, prelude) |
| preliminaries(opening, addition, establishment, introduction, preface) |
| prelude(opening, addition, establishment, introduction, preface) |
| presentation(opening, addition, establishment, introduction, preface) |
| primer(opening, addition, establishment, introduction, preface) |