"Moralize" is a verb that means to lecture or advise someone on their behavior in a way that is judgmental or preachy. There are different synonyms for this word based on the context in which it is used. Some synonyms include: sermonize, preach, pontificate, admonish, counsel, lecture, exhort, advise, and instruct. Each of these words has a slightly different connotation, but they all refer to the act of attempting to guide someone's behavior through advice or instruction. It's important to use these words with careful consideration, as it can be frustrating to be lectured or advised in a way that feels judgmental or patronizing.