What is another word for happening?

Common synonyms for happening include occurrence, occurrent, natural event.

What is the plural of happening?

The plural of happening is happenings.

/ˈhæpɪnɪŋ/noun3 syllables

Happening means: an event that happens.

noun, as in an event that happens

occurrence, occurrent, natural event

also used for happening

event, incident, affair, befalling, episode, goings-on, hap

Includes material from Wiktionary, CC BY-SA 4.0.

noun

an event that happens

Definitions from the Open English WordNet, CC BY 4.0.

Something's happening here, and what it is ain't exactly clear.gleki
Before they grasp what is happening to them, the police will arrest them.AlanF_US
You really don't realize what's happening, do you?CK
If you know what's happening, why won't you tell me?CK
It would have seemed a lot funnier, if it weren't happening to her.XenoKat
After two months of traveling, we realized that something horrible was happening.ajje
Whether you like it or not, that's what's happening.CM
That's happening right now, as a matter of fact.CK

Sentences from Tatoeba, CC BY 2.0 FR, credited to their authors.

as a noun