composition

Concise Oxford English Dictionary © 2008 Oxford University Press:
composition/kɒmpəˈzɪʃn/

▶noun

• 1 the nature of the ingredients or constituents of a whole or mixture.

  ■ a thing composed of various elements.

• 2 a work of music, literature, or art.

  ■ the artistic arrangement of the elements of a picture.

• 3 the action of composing.

• 4 archaic mental constitution; character.

• 5 a legal agreement to pay a sum in lieu of a larger debt or other obligation.

• 6 Mathematics the successive application of functions to a variable.

• 7 Physics the process of finding the resultant of a number of forces.

– derivatives
compositional adjective,
compositionally adverb.