adverb. With smug stupidity or vacuous silliness; idiotically.

adverb. vacuously or complacently and unconsciously foolish

"Yet "Revolutionary Road" -- the name fatuously meant to imply that America's revolutionary promise withers and dies in the suburbs -- caught the reflexive attitudes of many readers."

fatuity  fatuous  fatuousness  

foolishly  idiotically  stupidly