Platitude

Noun

 * 1) An often-quoted saying that is supposed to be meaningful but has become unoriginal or hackneyed through overuse; a cliché.
 * 2) Unoriginality; triteness.
 * 3) A claim that is trivially true, to the point of being uninteresting.

Thesaurus
abstraction, banality, bromide, chestnut, cliche, commonplace, commonplace expression, corn, familiar tune, general idea, generalization, generalized proposition, glittering generality, hackneyed expression, hackneyed saying, inanity, insipidity, lieu commun, locus communis, mawkishness, old joke, old saw, old song, old story, prosaicism, prosaism, prose, reiteration, retold story, rubber stamp, sentimentality, shibboleth, stereotyped saying, sweeping statement, tag, tired cliche, trite saying, triticism, truism, twice-told tale, vapidity