development + -ation; the ostensible verb form *developmentate is not found.
- IPA(key): /dɨˌvɛləp.mənˈteɪʃən/
developmentation (plural developmentations)
- (proscribed, chiefly US and humorous) Development.
Similarly to the entry for irregardless, this is a nonstandard illiteracy for development and should generally never be used in formal settings or written. Compare orientate.