source: [たまこまーけっとの常盤みどりが机の上の整頓をするGIF画像｜無料GIF画像検索 GIFMAGAZINE 936483]

1. put (things) in a neat, attractive, or required order:

〈人が〉〈物･人･事〉をきちんと並べる, (ABC順などに)配列する; 整える, 整頓する(連語neatly, carefully, logically)

e.g. she had just finished arranging the flowers

e.g. the columns are arranged in 12 rows.

2. organize or make plans for (a future event):

〖arrange A(with B)〗 〈人が〉(B〈人〉との)A〈会議･旅行･パーティなど〉の手はずを整える, 計画をする, 準備をする;〖arrange that節/wh句･節〗 …ということを取り決める, …の手はずを整える; ｟かたく｠〖it is ～d (for A) to do/that節〗 (A〈人など〉が)…できるよう, …ということになるよう手はずを整えられている

e.g. they hoped to arrange a meeting

〖arrange for A〗 A〈車･会議など〉を手配する, 用意する; 〖arrange (for A) to do〗 (A〈人など〉が)…できるように手はずを整える, 手配する

e.g. no object : my aunt arranged for the furniture to be stored

e.g. we've arranged the funeral for Saturday.

no object reach agreement about an action or event in advance:

〈人が〉 【人と】打ち合わせをする «with»

e.g. I arranged with my boss to have the time off

e.g. with infinitive : they arranged to meet at eleven o'clock.

ensure that (something) is done or provided by organizing it in advance:

〈人が〉 «…のために» 〈事･物･人〉を手配する, 用意する «for»

e.g. accommodations can be arranged if required.

3. adapt (a composition) for performance with instruments or voices other than those originally specified:

〖通例be ～d〗 〈曲が〉 【楽器･声などに合うように】編曲, アレンジされる «for»

e.g. songs arranged for viola and piano.

4. archaic settle (a dispute or claim):

…を調停する, 解決する

e.g. the quarrel, partly by the interference of the Crown Prince, was arranged.

arrangeable adjective

late Middle English: from Old French arangier, from a- (from Latin ad ‘to, at’) + rangier ‘put in order’ (see range).