" conventional wisdom "

1: opinions or beliefs that are held or accepted by most people;

  * e.g., " ... Conventional wisdom in Hollywood says that a movie can't succeed unless it stars a famous actor or actress. "

•  Synonyms : 

•  party line,

•  routine,

•  banality,

•  bromide,

•  chestnut,

•  cliché,

•  commonplace,

•  groaner,

•  homily,

•  platitude,

•  shibboleth,

•  trope,

•  truism,

•  inanity,

•  generality,

•  generalization,

•  simplification,

•  adage,

•  proverb,

•  saw,

•  saying,

•  old wives' tale,

•  stereotype

•  Antonyms : 

•  profundity