immoralize

verb3

1. •
   To corrupt; to make immoral.

   • At early common law, gaming was not unlawful so long as it did not tend to immoralize the innocent or affect the interests of those not similarly engaged. — 1971
2. •
   To behave immorally or promote immorality.

   • Some writers just moralize better than others immoralize. — 1950
3. •
   To decry as immoral.