OCCASION

I. noun see: ob- Date: 14th century a favorable opportunity or circumstance , 2. a state of affairs that provides a ground or reason , an occurrence or condition that brings something about, 3. happening , incident , a time at which something happens ; instance , 4. a need arising from a particular circumstance, a personal want or need, affairs, business , a special event or ceremony ; celebration, II. transitive verb (-sioned; ~ing) Date: 15th century bring about , cause