The antonyms for the phrase "dashing one hope" would be words like inspiring, uplifting, encouraging, and reassuring. Instead of shattering or destroying someone's hope, these words promote feelings of optimism, confidence, and positivity. They offer comfort and motivation, instilling a sense of belief that all is not lost and that there is still something to look forward to. These antonyms provide a ray of hope instead of dampening one's spirits, and they help individuals push through tough times with resilience and an unwavering sense of determination.