platitude
noun
ˈplætɪtjuːd 
ˈplætɪtuːd a comment or statement that has been made very often before and is therefore not interesting
a political speech full of platitudes and empty promisesplatitudinous ˌplætɪˈtjuːdɪnəs ˌplætɪˈtuːdənəs 
Definition of platitude noun from the Oxford Advanced Learner's Dictionary
ˈplætɪtjuːd ˈplætɪtuːd ˌplætɪˈtjuːdɪnəs ˌplætɪˈtuːdənəs 