When it comes to addressing fraudulent or deceitful behavior, there are a variety of synonyms that can be employed to convey the idea of someone being "dealt with dishonestly". For example, individuals caught engaging in unethical activities may be subject to measures such as reprimand, retribution, or sanctions. Additionally, they may face penalties, fines, or disciplinary action from an authority or governing body. Some other potential terms that could be used to describe dishonest behavior being dealt with include being punished, held accountable, or facing consequences. Ultimately, the language chosen will depend on the specific context and severity of the situation.