WordNet

develop (childrens) behavior by instruction and practice; especially to teach self-control; "Parents must discipline their children"; "Is this dog trained?" (同)train, check, condition
the act of punishing; "the offenders deserved the harsh discipline they received" (同)correction
the trait of being well behaved; "he insisted on discipline among the troops"
training to improve strength or self-control
a branch of knowledge; "in what discipline is his doctorate?"; "teachers should be well trained in their subject"; "anthropology is the study of human beings" (同)subject, subject area, subject field, field, field of study, study, bailiwick
a system of rules of conduct or method of practice; "he quickly learned the discipline of prison routine"; "for such a plan to work requires discipline";
punish in order to gain control or enforce obedience; "The teacher disciplined the pupils rather frequently" (同)correct, sort out

PrepTutorEJDIC

〈U〉(組織的な)『訓練』,鍛錬,修養,しつけ(training) / 〈U〉(訓練による)規律正しさ,統制,自制;(組織・グループなどの)規律,風紀 / 〈U〉訓戒,懲罰,懲戒(punishment) / 〈C〉訓練方法,学習方法 / 〈C〉学科,学問[分野] / …‘を'訓練する,しつける / …‘を'罰する,懲らしめる(punish)