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

(en-noun)

(obsolete) A vast chasm or abyss.

The unordered state of matter in classical accounts of cosmogony

Any state of disorder, any confused or amorphous mixture or conglomeration.

*

(obsolete, rare) A given medium; a space in which something exists or lives; an environment.

*, II.ii.3:

What is the centre of the earth? is it pure element only, as Aristotle decrees, inhabited (as Paracelsus thinks) with creatures whose chaos is the earth: or with fairies, as the woods and waters (according to him) are with nymphs, or as the air with spirits?

(mathematics) Behaviour of iterative non-linear systems in which arbitrarily small variations in initial conditions become magnified over time.

(fantasy) One of the two metaphysical forces of the world in some fantasy settings, as opposed to law.