Something that happens
Something significant that happens
Something brought about by a cause
Something having real, demonstrable existence
Anything that happens
A notable happening
in the event of or that
The next important event in my life was my visit to Boston, in May, 1888.
This is the fourth event in the past few days.
It is the most likely event to occur.
It would fast become the social event of the year.
The conquest of Kazan was an epoch-making event in the history of eastern Europe.