/ ˈhæpənɪŋ; NAmE / noun , adjective
■ noun
1.
[ usually pl. ] an event; something that happens, often sth unusual :
There have been strange happenings here lately.
2.
an artistic performance or event that is not planned
■ adjective
[ only before noun ] ( informal ) where there is a lot of exciting activity; fashionable :
a happening place