Serene
serene
sɪˈriːn/
adjective
adjective: serene; comparative adjective: serener; superlative adjective: serenest
1.
calm, peaceful, and untroubled; tranquil.
"her eyes were closed and she looked very serene"
synonyms: calm, composed, collected, {cool, calm, and collected}, as cool as a cucumber, tranquil, peaceful, at peace, pacific, untroubled, relaxed, at ease, poised, self-possessed, unperturbed, imperturbable, undisturbed, unruffled, unworried, unexcitable, placid, equable, even-tempered; More
centered;
informaltogether, unflappable, chilled
"on the surface I might have seemed serene, but underneath I was panicking"
peaceful, tranquil, quiet, still, restful, relaxing, soothing, undisturbed, untroubled
"Trentino is a labyrinth of deep valleys and serene lakes"
antonyms: anxious, nervous, agitated, turbulent, noisy
nounarchaic
noun: serene
1.
an expanse of clear sky or calm sea.
"not a cloud obscured the deep serene"
synonyms: cloudless, unclouded, clear, bright, sunny
"the serene western sky"