Answer: serener

AnswerCrossword Clue
SERENERQuieter.
serener(in a title) Used as a term of respect for members of some European royal families
serenerSERENE, calm, tranquil
serenerCalm, peaceful, and untroubled; tranquil
SERENERLess anxious
SERENERLess stressed
SERENERLess flustered
SERENERLess disturbed
SERENERMore collected
SERENERLess jumpy
SERENERMore unruffled
SERENERMore composed
SERENERMore calm.
SERENERIn a calmer state of mind.
SERENERMore relaxed.
SERENERMore chill
SERENERMore placid.
SERENERMore tranquil.
SERENERLess excited.
SERENERCalmer.
SERENERMore peaceful.
SERENERMore quiet
SERENERMore peaceful
SERENERMore calm
SERENERFeeling less stress
SERENERMore placid
SERENERComparatively calm
SERENERLess agitated
SERENERMore tranquil