approach, adit, gate, entry, admission, accession, inlet, entrance, introduction, opening, penetration, portal, admittance, doorway, door, access, ingress.
To the right is the entrance gateway.
" That which hath Watched from the Beginning, and until the opening of the Gateway
of Eternity" came into my thoughts, as I looked through the glass ...
And then in the rocky gateway
the shepherd himself appeared.