(place for entering) entrance, entry, entranceway,
entryway; inlet, ingress,
intake, admit, approach, access,
means of
access, ingate [North. Eng.], in [slang, U.S.], way in; opening, aperture, orifice,
mouth; passageway, passage,
way;
vestibule.
— Roget's International Thesaurus, Third Edition (Thomas Y.
Crowell
Co,
1962)