Antonyms for the phrase "dampen spirits" can include words that would lift or brighten one's mood. Examples of these words include "uplift spirits," "encourage," "inspire," "motivate," "energize," "stimulate," "cheer," "delight," "excite," "revitalize," "animate," "invigorate," "enthusiasm," and "thrill." Using these antonyms in place of "dampen spirits" can transform negative feelings into positive ones and provide a more optimistic outlook. Whether it's receiving good news, spending time with loved ones, or simply practicing self-care, focusing on upliftment rather than negativity is always the better route.