Sentence:  Business historian Fiona A. E. McQuarrie has noted that the concept of <WSD>kayfabe</WSD> is not uncommon outside the realm of professional wrestling, as many corporations "formally require their members to maintain public silence on company issues or not to express any explicit criticism of the company, through such means as employment contracts or through contracts governing severance or termination of employment." 
Meaning of the word marked with <WSD> tags:  Similar fakery or suspension of disbelief in other contexts.