happening

the quality of happening with headlong haste or without warning

happening by chance or unexpectedly or unintentionally

n chemical agent capable of activity n the voice used to indicate that the grammatical subject of the verb is performing the action or causing the happening denoted by the verb n a person who is a participating member of an organization

something disagreeable happening after an affair is supposed to be at an end.

r happening at a time subsequent to a reference time