The word "re-pines" is unusual and not commonly used, which makes it difficult to determine antonyms. However, if we consider it as the opposite of pine, which means to long for something or feel sadness or grief, then antonyms would be words that signify contentment or satisfaction. Examples of antonyms for pine include rejoice, celebrate, delight, and be glad. These words describe positive emotions and are the opposite of feeling sorrow or regret. Thus, to "re-pine" could mean to return to a state of longing or sadness, which is why antonyms for it would describe happiness and a lack of longing.