The antonyms for the phrase dashing hope could be "sustaining hope," "renewed hope," "revived hope," or "persistent hope." These antonyms evoke a sense of positivity and resilience, standing in stark contrast to the crushing disappointment and despair implied by dashing hope. By focusing on sustaining or renewing hope, one can cultivate a mentality of perseverance and optimism, even in the face of setbacks or obstacles. Choosing to embrace sustaining hope over dashing hope can help individuals stay motivated and driven towards achieving their goals and aspirations, no matter what challenges may arise.