civilize
[verb]
Synonyms: cultivate, educate, enlighten, refine, sophisticate, tame

[TahlilGaran] English Synonym Dictionary ▲

civ‧i‧lize (also civilise British English) /ˈsɪvəl-aɪz/ verb [transitive]

1. to influence someone’s behaviour, making or teaching them to act in a more sensible or gentle way:
The missionaries went out to civilize other places.

2. to improve a society so that it is more organized and developed, and often more fair or comfortable:
Ellis was credited with civilizing the Texas prison system.

[TahlilGaran] Dictionary of Contemporary English ▲