Noun

(en noun)

A controlled behaviour; self-control.

* Rogers

The most perfect, who have their passions in the best discipline , are yet obliged to be constantly on their guard.

An enforced compliance or control.

* '>citation

A systematic method of obtaining obedience.

* C. J. Smith

Discipline aims at the removal of bad habits and the substitution of good ones, especially those of order, regularity, and obedience.

A state of order based on submission to authority.

* Dryden

Their wildness lose, and, quitting nature's part, / Obey the rules and discipline of art.

A punishment to train or maintain control.

* Addison

giving her the discipline of the strap

A set of rules regulating behaviour.

A flagellation as a means of obtaining sexual gratification.

A specific branch of knowledge or learning.

* {{quote-magazine, date=2013-08-03, volume=408, issue=8847, magazine=(The Economist)

, title= Boundary problems , passage=Economics is a messy discipline : too fluid to be a science, too rigorous to be an art. Perhaps it is fitting that economists’ most-used metric, gross domestic product (GDP), is a tangle too. GDP measures the total value of output in an economic territory. Its apparent simplicity explains why it is scrutinised down to tenths of a percentage point every month.}}

(Bishop Wilkins)

A category in which a certain art, sport or other activity belongs.

Noun

(uncountable) The process of developing; growth, directed change.

* {{quote-magazine, date=2013-07-19, author= Ian Sample

, volume=189, issue=6, page=34, magazine=(The Guardian Weekly) , title= Irregular bedtimes may affect children's brains , passage=Irregular bedtimes may disrupt healthy brain development in young children, according to a study of intelligence and sleeping habits.  ¶ Going to bed at a different time each night affected girls more than boys, but both fared worse on mental tasks than children who had a set bedtime, researchers found.}}

(uncountable, biology) The process by which a mature multicellular organism or part of an organism is produced by the addition of new cells.

*

Of more significance in the nature of branch development ; in the Jubulaceae, as in the Porellaceae, branches are acroscopic and normally replace a ventral leaf lobe.

(countable) Something which has developed.

(real estate, countable) A project consisting of one or more commercial or residential buildings, real estate development.

(real estate, uncountable) The building of a real estate development.

(uncountable) The application of new ideas to practical problems (''cf. research).

(chess, uncountable) The active placement of the pieces, or the process of achieving it.

(music) The second section of a piece of music in sonata form.