promettente bedeutet auf Englisch

likely [likelier, likeliest]▼(appropriate; believable; having a good potential)
adjective
[UK: ˈlaɪk.li] [US: ˈlaɪk.li]

promising▼(showing promise, and likely to develop in a desirable fashion)
adjective
[UK: ˈprɒ.mɪs.ɪŋ] [US: ˈprɑː.məs.ɪŋ]It looks promising. = Sembra promettente.