EN peacefulness
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{noun}

1. general

peacefulness (also: calmness, composure, coolness, quiescence)
peacefulness (also: pace, peace, serenity, calm)
peacefulness (also: peace)
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relajo {m} [Spa.] (tranquilidad)

2. "serenity, quietness"

peacefulness (also: peace, tranquility, tranquillity)
In a word, I would like to call on the Commission once more to enter into the negotiations in all peacefulness and openness.
En resumen, quiero hacer un llamamiento a la Comisión para que afronte las negociaciones con toda tranquilidad y con toda franqueza.

3. "lack of violence"

peacefulness

Synonyms (English) for "peacefulness":

peacefulness
peaceful