When searching for synonyms for the phrase "improves spirits," there are several options depending on the context. If referring to uplifting someone's mood or increasing positivity, synonyms such as boosts morale, lifts the soul, and enhances well-being may be used. Alternatively, if the focus is on increasing energy or motivation, synonyms such as inspires, invigorates, and energizes may be more appropriate. Regardless of the specific word choice, the overall goal is to communicate the idea of improving one's overall emotional or mental state. Finding the right synonym can offer a more nuanced or eloquent way of expressing this idea.