ottimismo angolul

buoyancy [buoyancies]▼(resilience or cheerfulness)
noun
[UK: ˈbɔɪən.si] [US: ˌbɔɪən.si]

optimism▼(a tendency to expect the best)
noun
[UK: ˈɒp.tɪ.mɪ.zəm] [US: ˈɑːp.tə.ˌmɪ.zəm]I like your optimism. = Mi piace il tuo ottimismo.