the act of punishing; "the offenders deserved the harsh discipline they received"
the trait of being well behaved; "he insisted on discipline among the troops"
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";
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"
punish in order to gain control or enforce obedience; "The teacher disciplined the pupils rather frequently"
train by instruction and practice; especially to teach self-control; "Parents must discipline their children"; "Is this dog trained?"
being full of or promoting cheer; having or showing good spirits; "her cheerful nature"; "a cheerful greeting"; "a cheerful room"; "as cheerful as anyone confined to a hospital bed could be"