Dictionary

To occur or take place.

Example: Let me tell you how it happened.

To happen to; to befall.

(with infinitive) To do or occur by chance or unexpectedly.

Example: Do you happen to have an umbrella?

(followed by on or upon) To encounter by chance.

(of a place) Busy, lively; vibrant, dynamic; fashionable.

Example: This is a happening place tonight!

(of a person or product) Trendy, up-to-the-minute.

Example: He is a real happening guy.

Something that happens.

A spontaneous or improvised event, especially one that involves audience participation.