Jokier is a word that describes someone who is more playful, humorous, or light-hearted than usual. There are several synonyms for jokier that convey the same meaning, such as livelier, funnier, wittier, and more amusing. Another synonym that is often used is goofier, which highlights a person's silly or humorous side. Alternatively, one could use the term droller, which suggests a person who is amusing in a witty or clever way. All of these synonyms are great ways to describe someone who is in a playful or lighthearted mood and wants to make others laugh and have a good time.