| installation(noun, start, top, beginning) |
| opening(noun, start, rise, top) |
| establishment(noun, opening, origin, birth) |
| admittance(noun, state, accept, lead, connection) |
| ingress(noun, state, accept, cause, connection) |
| launch(noun, show, start, beginning) |
| lead-in(noun, start, approach, beginning) |
| interpolation(noun, opening, something, supplement) |
| preliminaries(noun, start, beginning, opening) |
| primer(noun, opening, something, preface) |
| hornbook(noun, opening, textbook, something) |
| influx(noun, rush, opening, flow) |
| lead(noun, verb, beginning, opening) |
| addition(noun, change, shift, opening) |
| awakening(noun, opening, something, preface) |
| baptism(noun, start, beginning, opening) |
| survey(noun, opening, something, preface) |
| basic principles(noun, expression, opening, something) |
| basic text(noun, expression, opening, something) |
| essentials(noun, opening, something, preface) |