folly , foolishness , simplicity , silliness , fatuity .

http://lila-erc.eu/data/lexicalResources/LewisShort/id/LexicalSense/n45660.0 an entity of type: LexicalSense

folly , foolishness , simplicity , silliness , fatuity . 
folly , foolishness , simplicity , silliness , fatuity . 

data from the linked data cloud