1. (noun)composition, composing the spatial property resulting from the arrangement of parts in relation to each other and to the whole "harmonious composition is essential in a serious work of art"
2. (noun)constitution, composition, physical composition, makeup, make-up the way in which someone or something is composed
4. (noun)musical composition, opus, composition, piece, piece of music a musicalwork that has been created
"the composition is written in four movements"
6. (noun)writing, authorship, composition, penning the act of creating written works "writing was a form of therapy for him"; "it was a matter of disputed authorship"