Sentence:  What is less known about "Cavalleria" is that its story is the purest, most <WSD>anodyne</WSD> form of a myth about Sicily and the mafia, a myth that was something akin to the official ideology of the Sicilian mafia for nearly a century and a half. 
Meaning of the word marked with <WSD> tags:  noncontentious, blandly agreeable, unlikely to cause offence or debate (from 20th c.)