How to sign: something that provides access (entry or exit)
"they waited at the entrance to the garden"; "beggars waited just outside the entryway to the cathedral";
Similiar / Same: entrance, entranceway, entryway, entree
Within this category: arch, doorway, gateway, hatchway, pithead, portal, porte-cochere, service door, stage door, vomitory
How to sign: the act of beginning something new
"they looked forward to the debut of their new product line";
Similiar / Same: debut, first appearance, introduction, launching, unveiling
Categories: beginning, commencement, start
Within this category: induction, naturalization, product introduction, ushering in