heathenize
/ˈhiːðənaɪz/
verb
- To make or become heathen; to cause someone or something to adopt heathen beliefs or practices.
- Some missionaries tried to heathenize the local population by force.
- The colonists feared that living among the natives would heathenize their children.
- Over generations, the isolated community began to heathenize, losing all Christian traditions.
Antonyms