Dictionary:

banality

  (bə-năl'ĭ-tē, bā-)

1. The condition or quality of being banal; triviality: The banality of the speaker's remarks put the audience to sleep.
2. Something that is trite, obvious, or predictable; a commonplace: Television commercials are full of banalities.

noun

A trite expression or idea: bromide, cliché, commonplace, platitude, stereotype, truism. See surprise/expect.

Definition: common saying
Antonyms: coinage, innovation, nuance, original saying

The noun has one meaning:

Meaning #1: a trite or obvious remark
  Synonyms: platitude, cliche, commonplace, bromide

Quotes:

"Men are seldom more commonplace than on supreme occasions." - Samuel Butler

"A mental disease has swept the planet: banalization presented with the alternative of love or a garbage disposal unit, young people of all countries have chosen the garbage disposal unit." - Ivan Chtcheglov

"Banality is a symptom of non-communication. Men hide behind their clich?s." - Eugene Ionesco

"Banality is a terribly likely consequence of the underused of a good mind. That is why in particular it is a female affliction." - Cynthia Propper-Seton

"When the shriveled skin of the ordinary is stuffed out with meaning, it satisfies the senses amazingly." - Virginia Woolf