noun

an event or occurrence.

altogether it was an eerie happening

occurrence,event,incident,scene,affair,circumstance,phenomenon,episode,adventure,experience,occasion,action,activity,development,eventuality,accident,case,business,thing

adjective

fashionable; trendy.

a happening neighbourhood

fashionable,modern,popular,new,latest,up to date,up to the minute,in fashion,in vogue,de rigueur,le dernier cri,trendy,funky,hot,cool,with it,hip,in,big,now,groovy,sharp,swinging,kicky,tony,fly,down