The word "patsier" is essentially a slang term for a gullible or easily fooled person. Synonyms for this term include "dupe," "sucker," "mark," "fall guy," and "chump." These words all carry a negative connotation and are commonly used in the context of scams or cons. Other synonyms for "patsier" might include "victim," "fool," "credulous person," or "naive individual." While these words may not always be used in a derogatory manner, they do tend to suggest a lack of critical thinking or a vulnerability that makes someone an easy target for manipulators or fraudsters.