Answer: lightenup

AnswerCrossword Clue
LIGHTENUP"Relax, will ya!"
LIGHTENUPTake it easier
LIGHTENUPDieter's credo?
LIGHTENUP"Chill!"
LIGHTENUPRelax
LIGHTENUP"Don't act so serious!"
LIGHTENUP"Don't be so serious!"
LIGHTENUP"Relax!"