A platitude is a trite, meaningless, or prosaic statement, often used as a thought-terminating cliché, aimed at quelling social, emotional, or cognitive unease. The statement may be true, but its meaning has been lost due to its excessive use.

What does it mean to commonplace?

: commonly found or seen : ordinary, unremarkable a commonplace occurrence the large mergers that had become commonplace Computers are commonplace in classrooms.

What is a commonplace event?

everyday event, everyday thing. View synonyms. 1.1A trite saying or topic; a platitude. 'it is a commonplace to talk of the young being alienated'