Arranger

ar·range  (-rnj)

v. ar·ranged, ar·rang·ing, ar·rang·es

v.tr.

1. To put into a specific order or relation; dispose: arrange shoes in a neat row.

2. To plan or prepare for: arrange a picnic.

3. To bring about an agreement concerning; settle: "It has been arranged for him by his family to marry a girl of his own class" (Edmund Wilson).

4. Music To reset (a composition) for other instruments or voices or as another style of performance.

v.intr.

1. To come to an agreement.

2. To make preparations; plan: arrange for a big wedding.

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[Middle English arengen, from Old French arengier : a-, to (from Latin ad-; see ad-) + rengier, to put in a line (from reng, line; see sker-² in Indo-European roots).]

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ar·ranger n.

Synonyms: arrange, marshal, order, organize, sort, systematize
These verbs mean to distribute or dispose persons or things properly or methodically: arranging figures numerically; to marshal all relevant facts for presentation; ordered my chaotic life; organized the fundraiser; sorted the sweaters by color; systematized the assorted files.

Thesaurus

Noun	1.	arranger - a person who brings order and organization to an enterprise; "she was the organizer of the meeting" organizer, organiser coordinator - someone whose task is to see that work goes harmoniously systematiser, systematizer, systemiser, systemizer, systematist, orderer - an organizer who puts things in order; "Aristotle was a great orderer of ideas" thinker - someone who exercises the mind (usually in an effort to reach a decision)
	2.	arranger - a musician who adapts a composition for particular voices or instruments or for another style of performance adapter, transcriber musician - artist who composes or conducts music as a profession orchestrator - an arranger who writes for orchestras