The word "smoothers" can be replaced with several synonyms, depending on the context and intended meaning. Some common synonyms for smoothers include flatteners, levelers, polishers, soothers, and soothers. These words usually refer to tools or substances used to make a surface smoother or clearer. In other contexts, smoothers can also refer to people or actions that make a situation calmer or less difficult. In this case, synonyms may include pacifiers, comforters, alleviators, or mitigators. Choosing the right synonym can help to clarify the intended meaning of a text or conversation, and create a more precise and nuanced message.