Sentence:  Men In Black 3 lacks the novelty of the first film, and its take on the late '60s feels an awful lot like a psychedelic dress-up party, all broad caricatures and <WSD>groovy</WSD> vibes. 
Meaning of the word marked with <WSD> tags:  Cool, neat, interesting, fashionable. (popular in the 1940s and again in the 1960s)