[noun] a system of rules of conduct or method of practice; "he quickly learned the discipline of prison routine" or "for such a plan to work requires discipline";
[noun] the trait of being well behaved; "he insisted on discipline among the troops"
[noun] training to improve strength or self-control
[noun] the act of punishing; "the offenders deserved the harsh discipline they received" Synonyms:correction
[verb] train by instruction and practice; especially to teach self-control; "Parents must discipline their children"; "Is this dog trained?" Synonyms:train, check, condition
[verb] punish in order to gain control or enforce obedience; "The teacher disciplined the pupils rather frequently" Synonyms:correct, sort out