Good spirits refer to a positive and buoyant state of mind, where one feels happy, joyful and optimistic. Synonyms for good spirits include cheerful, elated, euphoric, exhilarated, happy, animated, enthusiastic, ebullient, jolly, lively, and ecstatic. These words are often used to describe someone who is in a good mood or feeling particularly positive and optimistic. A person in good spirits can be seen as someone who is full of energy, enthusiasm, and motivation. These synonyms capture the essence of what it feels like to be in good spirits, and can be used to describe a wide range of emotions and experiences that bring about this state of mind.