The antonym for "dashed one hope" could be "restored hope." When someone has had their hope dashed, they feel defeated and pessimistic about their situation. However, when their hope is restored, they feel optimistic and confident once again. Other antonyms for "dashed one hope" could include "fulfilled hope," "realized hope," or "strengthened hope." It is important to remember that hope is an essential part of human nature, and even when it seems lost, it can be regained through perseverance, support, and positive thinking. So, no matter how dire a situation may seem, there is always a chance to restore hope and move forward with a renewed sense of purpose.