achievable(capable of being achieved) adjective [UK: ə.ˈtʃiː.vəb.l̩] [US: ə.ˈtʃiː.vəb.l̩]The first goal seems achievable. = Il primo obiettivo sembra realizzabile.
attainable(able to be accomplished, achieved, or obtained) adjective [UK: ə.ˈteɪ.nəb.l̩] [US: ə.ˈteɪ.nəb.l̩]
feasible(that can be done in practice) adjective [UK: ˈfiː.zəb.l̩] [US: ˈfiː.zəb.l̩]