PLATITUDE
platitude, cliche, banality, commonplace, bromide
(noun) a trite or obvious remark
Source: WordNet® 3.1
Etymology
Noun
platitude (plural platitudes)
An often-quoted saying that is supposed to be meaningful but has become unoriginal or hackneyed through overuse; a cliché.
Unoriginality; triteness.
A claim that is trivially true, to the point of being uninteresting.
Synonyms
• cliché
• See also saying
Source: Wiktionary
Plat"i*tude, n. Etym: [F., from plat flat. See Plate.]
1. The quality or state of being flat, thin, or insipid; flat
commonness; triteness; staleness of ideas of language.
To hammer one golden grain of wit into a sheet of infinite platitude.
Motley.
2. A thought or remark which is flat, dull, trite, or weak; a truism;
a commonplace.
Source: Webster’s Unabridged Dictionary 1913 Edition