Happify is a verb that means to make someone happier or more cheerful. Some synonyms for the word happify include delight, gladden, enchant, please, cheer up, and uplift. Other possible synonyms for happify are to improve or boost someone's mood, like encouraging, exhilarating, invigorate, elevate, or stimulate. These synonyms can be used interchangeably, depending on the context and tone of the sentence. For example, one might say, "The sunny weather is sure to happify anyone's day" or "I always feel uplifted when I hear your kind words." In both cases, the emphasis is on uplifting or improving someone's happiness level.