silenciosamente betyder på engelska

silently▼(in a silent manner; making no noise)
adverb
[UK: ˈsaɪ.lənt.li] [US: ˈsaɪ.lənt.li]John watched silently. = John vigiló silenciosamente.

softly▼(not loudly, inaudible)
adverb
[UK: ˈsɒft.li] [US: ˈsɒft.li]