autenticamente znamená v Angličtina

authentically▼(in an authentic manner)
adverb
[UK: ɔː.ˈθen.tɪk.l̩i] [US: ˌɒ.ˈθen.tɪk.l̩i]

genuinely▼(truthfully, truly)
adverb
[UK: ˈdʒe.njʊɪn.li] [US: ˈdʒe.njə.wən.li]