| pioneer(adjective, head, beginning, original, prime) |
| premier(adjective, order, heavy, important, head) |
| primal(adjective, beginning) |
| primitive(adjective, head, beginning, opening, original) |
| primogenial(adjective, head, beginning, opening, original) |
| primordial(adjective, head, beginning, opening, original) |
| prior |
| starting(adjective, beginning) |
| inchoate(beginning, opening, original, first, primary) |
| infantile(adjective, beginning) |
| address |
| antecedent(adjective, head, beginning, opening, original) |
| anterior(adjective, head, beginning, original, prime) |
| best(adjective, important, prominent, first, principal) |
| ceremonial |
| chief(adjective, order, heavy, important, head) |
| earliest(beginning, opening, original, best, first) |
| early(adjective, head, beginning, opening, original) |
| elementary(adjective, head, beginning, opening, original) |
| foundational(adjective, opening, initial) |