An "in spirited manner" is a way of doing something with enthusiasm, energy, and vigor. There are many other synonyms that capture this same spirit, including "vibrantly," "zealously," "animatedly," "dynamically," "passionately," "enthusiastically," and "vivaciously." All of these words suggest a level of excitement and liveliness that underlines the manner in which something is being done. Each of these synonyms also carries slightly different connotations that allow you to choose the one that best fits the context. Overall, when you use any of these words instead of "in spirited manner," you are creating a more vivid, descriptive, and engaging description.