This word was used long ago to mean truthfulness. It was recreated on the popular satirical television show, The Colbert Report.
- (jokingly) The truthiness of an idea is its ability to be believed emotionally and not because it is supported by evidence or logic.
- (jokingly) Following incorrect ideas because you wish or believe them to be true.
- Your truthiness amazes me. Don't you care that it's been proven false?