erroneous belief
Noun
Meaning
a misconception resulting from incorrect information
Source: WordNetSynonyms
Antonyms
Hypernyms
Examples
Only if you are afraid of looking foolish, and I would have looked far more foolish if I persisted with an erroneous belief.' Eragon said. Why, little one, you just said something wise!'Saphira teased.
PREFERENCE, n. A sentiment, or frame of mind, induced by the erroneous belief that one thing is better than another.
The most damaging erroneous belief about happiness is, of course, that happiness is somewhere else--that is, that it is not with you.