occasion
Cross references: 1. cause 1. oc.ca.sion \*-'ka--zh*n\ n [ME, fr. MF or L; MF, fr. L occasion-, occasio, fr. occasus,]pp. of occidere to fall, fall down, fr. ob- toward + cadere to fall - more at OB-, CHANCE 1: a favorable opportunity or circumstance 2: a state of affairs that provides a ground or reason 3: an occurrence or condition that brings something about; esp : th e immediate inciting circumstance as distinguished from fundamental cause 4a: HAPPENING, INCIDENT 4b: a time at which something happens 5a: a need arising from a particular circumstance : EXIGENCY archaic 5b: a personal want or need - usu. used in pl. pl 6: AFFAIRS, BUSINESS 7: a special event or ceremony : CELEBRATION 2. occasion \-'ka-zh-(*-)nin\ vt or oc.ca.sion.ing : to give occasion to : CAUSE
Webster's English Dictionary