| debut(opening, addition, establishment, introduction, preface) |
| essentials(opening, addition, establishment, introduction, preface) |
| establishment(opening, addition, introduction, preface, prelude) |
| explanation(noun, expression, sign, hint, suggestion) |
| first acquaintance(expression, opening, addition, establishment, introduction) |
| first taste(expression, opening, addition, establishment, introduction) |
| forewords |
| forward(noun, introduction) |
| hornbook(opening, addition, establishment, preface, foreword) |
| inaugurate |
| inauguration(noun, start, beginning, opening, addition) |
| inception(noun, start, beginning, opening, addition) |
| influx(opening, addition, establishment, introduction, preface) |
| ingress(opening, addition, establishment, introduction, preface) |
| initiate |
| initiation(noun, information, start, beginning, opening) |
| insertion(noun, opening, addition, establishment, introduction) |
| installation(opening, addition, establishment, introduction, preface) |
| institution(opening, addition, establishment, introduction, preface) |
| interpolation(opening, addition, establishment, introduction, preface) |