Answer: serenes

AnswerCrossword Clue
SERENES

Calms.

SERENES

Makes calm.

SERENES

Tranquilizes.

SERENES
Calm seas.
SERENES
Makes placid.
SERENESTranquil expanses.
SERENESPeaceful expanses: Poet.
SERENESMakes tranquil.
SERENESCalm expanses