groovy

/ˈɡruːvi/
adjective
  1. Very good, excellent, or enjoyable; cool and fashionable.
    • That's a groovy jacket you're wearing — I love the colors.
    • The party was totally groovy, with great music and friendly people.
    • We had a groovy time at the concert last night.
  2. Relating to or characteristic of the 1960s and 1970s counterculture, especially in music, fashion, or attitude.
    • She decorated her room with groovy posters from the 1970s.
    • The band played a groovy psychedelic rock sound that reminded everyone of Woodstock.
    • The retro café had a groovy vibe with peace signs and lava lamps.