organization

mastery
UK /ˌɔː.ɡə.naɪˈzeɪ.ʃən/ US /ˌɔɹ.ɡə.nɪˈzeɪ.ʃən/noun

card 1 of 10 · synonym

Which word is closest in meaning to 'organization' in this sentence?

In response to the crisis, the nations in the region formed an organization.