Sentence:  According to the Food and Drug Administration ( FDA ) , `` Doctor '' Ghadiali , Dr. Albert Abrams and his <WSD>clique</WSD> , and Dr. Wilhelm Reich - to name three notorious device quacks - succeeded , respectively , in distributing 10000 , 5000 , and 2000 fake health machines . 
Meaning of the word marked with <WSD> tags:  an exclusive circle of people with a common purpose