Answer: neato

AnswerCrossword Clue
NEATOSlangy word of enthusiasm
NEATO"Groovy!"
NEATO"Outta sight!"
NEATO"Peachy!"
NEATO"Super-duper!"
NEATO"Really cool!"
NEATO"Awesome!"
NEATO"Far out!"
NEATO"Marvy!"
NEATO"That's so cool!"
NEATO"Peachy-keen!"
NEATOKeen!
NEATO"Rad!" predecessor
NEATO"Rad!"
NEATOSuper-duper
NEATO"Boss!"
NEATO"Super keen"
NEATO"Way cool!"
NEATO"Wow!"
NEATOPeachy
NEATO"Super cool!"
NEATOPhat in the 1950s
NEATO"Cool!"
NEATO"Super!"
NEATO"Cool beans!"
NEATO"Happy Days" exclamation
NEATO"Swell!"
NEATOOld-fashioned "rad"
NEATO"Keen!"
NEATO"Gee, cool!"
NEATO"Groovy!" precursor
NEATOPeachy-keen
NEATO"Peachy keen!"
NEATO"Pretty keen!"
NEATOKeen
NEATOCool, man
NEATOPeachy!
NEATO"Hey, wow!"
NEATOExuberant shout
NEATO"Great!"