fallaciously

/fəˈleɪʃəsli/
adverb
  1. In a way that is based on false or mistaken reasoning; misleadingly.
    • The article was written fallaciously, using faulty statistics to support its point.
    • She fallaciously assumed that because two events happened together, one caused the other.
    • The politician argued fallaciously that all taxes hurt the economy.
Antonyms