The English term "gentlemanlike, polite, courteous, well-mannered" matches the Dutch term "beschaafd"

other english words that include "gentlemanlike" : dutch :
jaunty, gentlemanlike, ladylike keurig
other english words that include "courteous" : dutch :
polite, courteous, well-mannered welgemanierd
courteous, well-mannered, polite wellevend
other english words that include "mannered" : dutch :
polite, courteous, well-mannered welgemanierd
courteous, well-mannered, polite wellevend