What is the meaning of disciplined?

verb

• Develop (children's) behavior by instruction and practice; especially to teach self-control.
  • usage: "Parents must discipline their children"; "Is this dog trained"
  • synonyms: discipline, train, check, condition
• Punish in order to gain control or enforce obedience.
  • usage: "The teacher disciplined the pupils rather frequently"
  • synonyms: discipline, correct, sort out

adjective

• Obeying the rules.
• Trained mentally or physically by instruction or exercise.
  • usage: "the beautiful coordination of his disciplined muscles"; "a disciplined mind"