A pious hope is a sincere, but often impractical desire for a positive outcome. Some synonyms for this phrase include an optimistic wish, a devout aspiration, a fervent prayer, a well-intentioned dream, and a lofty ambition. Other words that can describe a pious hope include a cherished expectation, a longed-for goal, a fervent craving, and a deep-seated longing. Whether it's hoping for peace in the world or wishing for personal success, a pious hope is a positive expression of faith and belief in a better future. Using these synonyms can help to express the depth of one's wish in a more nuanced and eloquent way.