serene in Polish
serene in Polish
spokojny
Calm, peaceful, unruffled.
niewzruszony
Calm, peaceful, unruffled.
opanowany
Calm, peaceful, unruffled.
pogodny
(archaic) Fair and unclouded (as of the sky); clear; unobscured.
najjaśniejszy
Used as part of certain titles, originally to indicate sovereignty or independence.