IPA: /ˈhæpənɪŋ/
KK: /ˈhæpənɪŋ/
Something that is very fashionable or trendy, often associated with exciting or stimulating activities.
The new café in town is the most happening place to be this weekend.
An event or occurrence, often one that is interesting or noteworthy.
The art festival was a happening that attracted many visitors.
Happening → It is formed from "happen" (from Middle English "hapnen", meaning to occur or take place) and the suffix "-ing" (indicating an action or process). The word "happening" refers to the process or occurrence of something taking place.
Think of the word 'happen' which means to occur, and remember that 'happening' refers to the action of something occurring.