disciplined       
adjective uk/ˈdɪs.ə.plɪnd/ us/ˈdɪs.ə.plɪnd/
 守纪律的,守规矩的;训练有素的
behaving in a very controlled way
  The young gymnasts who won the competition were a talented and disciplined team. 赢得比赛的年轻体操运动员们是一支才华出众纪律严明的队伍。 
 Those children are well disciplined. 那些孩子都很守规矩。