possess Look up possess at Dictionary.com
mid-15c., "to hold, occupy, reside in" (without regard to ownership), from O.Fr. possessier (mid-13c.), from L. possess-, pp. stem of possidere "to possess." Meaning "to hold as property" is recorded from c.1500. Demonic sense is recorded from 1530s (implied in possessed). Possessive first attested 1520s in grammatical sense.