Quackerism refers to the practice of imitating or falsely representing oneself as a member of the Quaker community. Some synonyms for this word include pretense, affectation, simulation, and poser. Quackery, sham, and charlatanism can also be used to describe this type of behavior. Other related words are deception, fraudulence, and imposture. It is important to note that Quackerism is not confined to the Quaker community, and can apply to any person or group that falsely portrays themselves as something they are not. Synonyms for the word reveal the negative connotation behind the practice, highlighting its deceptive and insincere nature.