/ ˈɔːkɪstreɪt; NAmE ˈɔːrk-/ verb [ vn ]
1.
to arrange a piece of music in parts so that it can be played by an orchestra
2.
to organize a complicated plan or event very carefully or secretly
SYN stage-manage :
a carefully orchestrated publicity campaign
► or·ches·tra·tion / ˌɔːkɪˈstreɪʃn; NAmE ˌɔːrk-/ noun [ C , U ]
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WORD ORIGIN
late 19th cent.: from orchestra , perhaps suggested by French orchestrer .