| ahead(adjective, head, beginning, opening, original) |
| antecedent(adjective, head, beginning, opening, original) |
| anterior(adjective, head, beginning, opening, original) |
| beginning(adjective, head, opening, original, prime) |
| cardinal(adjective, head, beginning, opening, original) |
| early(adjective, head, beginning, opening, original) |
| essential(adjective, minimal) |
| few |
| fewer |
| first off(expression, adjective, head, beginning, prime) |
| front(adjective, head, beginning, opening, original) |
| head(adjective, beginning, opening, original, prime) |
| headmost(adjective, head, beginning, opening, original) |
| in the beginning(expression, adjective, idiom, head, beginning) |
| inaugural(adjective, head, beginning, opening, original) |
| inceptive(adjective, head, beginning, opening, original) |
| incipient(adjective, head, beginning, opening, original) |
| initial(adjective, head, beginning, opening, original) |
| introductory(adjective, head, beginning, opening, original) |
| key(adjective, head, beginning, opening, original) |