1. (n.) The act or process of occupying or taking possession; actual possession and control; the state of being occupied; a holding or keeping; tenure; use; as, the occupation of lands by a tenant.

2. (n.) That which occupies or engages the time and attention; the principal business of one's life; vocation; employment; calling; trade.

abiding abode act acting action activism activities activity adoption adverse possession affair affairs agency alodium appointment appropriation arrogation art assumption bag behavior bondage burgage business calling career career building careerism claim cohabitation colonization colony commerce commorancy concern concernment conduct conquest control craft de facto de jure dependency derivative title direction doing driving dwelling employ employment enslavement enterprise execution exercise fee fief fee position fee simple fee simple absolute fee simple conditional fee simple defeasible fee simple determinable fee tail feodum feud fiefdom field frankalmoign free socage freehold function functioning game gavelkind habitancy habitation handicraft handling having title to hold holding indent inhabitancy inhabitation inhabiting interest job knight service labor lay fee lease leasehold legal claim legal possession lifework line line of business line of work living lodging lookout management mandate manipulation matter metier mission movements mystery nesting number occupancy operancy operation operations oppression original title owning performance performing play position possessing possession post practice praxis preemption preoccupancy preoccupation prepossession prescription profession property property rights proprietary rights pursuit racket requisition residence residency residing responsibility rule running seisin seizure service settlement situation skill socage sojourning specialization specialty squatting staying staying over steering stopping subjection subjugation sublease suzerainty swing take-over takeover taking over tenancy tenantry tenure tenure in chivalry thing title trade underlease undertaking undertenancy usucapion usurpation villein socage villeinhold villenage vocation walk walk of life work working workings