OCCUPANCY
occupation, occupancy, moving in
(noun) the act of occupying or taking possession of a building; “occupation of a building without a certificate of occupancy is illegal”
occupancy, tenancy
(noun) an act of being a tenant or occupant
Source: WordNet® 3.1
Etymology
Noun
occupancy (countable and uncountable, plural occupancies)
The act of occupying, the state of being occupied or the state of being an occupant or tenant.
The period of time during which someone rents or otherwise occupies certain land or premises.
The specific use to which something occupied is put.
Antonyms
• inoccupancy
Source: Wiktionary
Oc"cu*pan*cy, n. Etym: [See Occupant.]
Definition: The act of taking or holding possession; possession;
occupation. Title by occupancy (Law), a right of property acquired by
taking the first possession of a thing, or possession of a thing
which belonged to nobody, and appropriating it. Blackstone. Kent.
Source: Webster’s Unabridged Dictionary 1913 Edition