| prolegomena(noun, precursor) |
| prolepsis(noun, precursor) |
| protasis |
| starting point(expression, start, beginning, onset, origination) |
| survey(opening, addition, establishment, introduction, preface) |
| voluntary |
| Rarely |
| admission(start, beginning, onset, origination, initiation) |
| alpha(start, beginning, onset, origination, initiation) |
| avant-propos |
| basic |
| birth(start, beginning, onset, origination, initiation) |
| bow(start, beginning, onset, origination, initiation) |
| celebration(start, beginning, onset, origination, initiation) |
| commencing(start, beginning, origination) |
| convocation(start, beginning, onset, origination, initiation) |
| countdown(start, beginning, onset, origination, initiation) |
| curtain-raiser(start, beginning, onset, origination, initiation) |
| dawn(start, beginning, onset, origination, initiation) |
| dawning(start, beginning, onset, origination, initiation) |