Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
ingĕnĭātus (ingĕnŭāt-), a, um, adj. [ingenium], naturally constituted, disposed or apt by nature: lepide ingeniatus, Plaut. Mil. 3, 1, 136: primordia, Gell. 12, 1, 17: ad astutiam, App. Flor. n. 18, p. 360, 20.