| by birth(adverb, formerly, basically) |
| by origin(adverb, formerly, basically) |
| cardinal(adjective, head, beginning, opening, original) |
| chiefly |
| early(adjective, head, beginning, opening, original) |
| elementary(adjective, head, beginning, fresh, original) |
| first of all(expression, idiom) |
| first off(expression, adjective, head, beginning, prime) |
| first thing |
| formerly(adverb, basically, firstly, initially) |
| front(adjective, head, beginning, fresh, original) |
| fundamental(adjective, head, beginning, opening, original) |
| head(adjective, beginning, opening, original, prime) |
| headmost(adjective, head, beginning, fresh, original) |
| inaugural(adjective, head, beginning, opening, original) |
| inceptive(adjective, head, beginning, fresh, original) |
| incipient(adjective, head, beginning, fresh, original) |
| incipiently(adverb, formerly, basically) |
| initial(adjective, head, beginning, fresh, original) |
| introductory(adjective, head, beginning, fresh, original) |