Ingress

n.	1.
	1.	The act of entering; entrance; as, the ingress of air into the lungs.
	2.	Power or liberty of entrance or access; means of entering; as, all ingress was prohibited.
	3.	(Astron.) The entrance of the moon into the shadow of the earth in eclipses, the sun's entrance into a sign, etc.
v. i.	1.	To go in; to enter.

Noun	1.	ingress - (astronomy) the disappearance of a celestial body prior to an eclipse Synonyms: immersion Antonyms: egress, emersion - (astronomy) the reappearance of a celestial body after an eclipse
	2.	ingress - the act of entering; "she made a grand entrance" Synonyms: incoming, entering, entrance, entry

INGRESS, EGRESS AND REGRESS. These words are frequently used in leases to express the right of the lessee to enter, go upon, and return from the lands in question.

access, adit, admission, admittance, air lock, approach, channel, come in, conduit, corridor, course, ditch, duct, egress, entrance, entranceway, entree, entry, entryway, exit, gangplank, gangway, go in, hall, in, ingression, inlet, intake, means of access, opening, passage, passageway, penetrate, trench, trough, troughing, troughway, tunnel, vestibule, way, way in