fallacy
noun
[ ˈfaləsi ]
• a mistaken belief, especially one based on unsound arguments.
• "the notion that the camera never lies is a fallacy"
Similar:
misconception,
mistaken belief,
misbelief,
delusion,
false notion,
mistaken impression,
misapprehension,
misjudgement,
miscalculation,
misinterpretation,
misconstruction,
error,
mistake,
untruth,
inconsistency,
illusion,
myth,
fantasy,
deceit,
deception,
sophism,
sophistry,
casuistry,
faulty reasoning,
unsound argument,
Origin:
late 15th century (in the sense ‘deception, guile’; gradually superseding Middle English fallace ): from Latin fallacia, from fallax, fallac- ‘deceiving’, from fallere ‘deceive’.