1: γαλήνη
(Strong's #1055 — Noun Feminine — galene — gal-ay'-nay )

primarily signifies "calmness, cheerfulness" (from a root gal---, from which gelao, "to smile," is also derived; hence the "calm" of the sea, the smiling ocean being a favorite metaphor of the poets), Matthew 8:26; Mark 4:39; Luke 8:24 .