лояльныйfidus [a, um]
оптимистическийoptimisticus [a, um];
оцепенетьobstupescere [o, pui,-];
perpetuus [a, um] (voluntas);immotus [a, um];inconcussus [a, um];invictus [a, um];obstinatus [a, um];stabilis [e];firmus [a, um];