mirnoća

1. calmness; composure
   Divim se njenoj mirnoći u teškim situacijama. — I admire her calmness in difficult situations.
   Odgovorio je sa potpunom mirnoćom. — He answered with complete composure.
2. (of a place, nature) quietness; stillness
   Uživali smo u mirnoći jezera rano ujutru. — We enjoyed the stillness of the lake early in the morning.