Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
1. ădeptus, a, um, Part. of adipiscor.
* 2. ădeptus, ūs, m., = adeptio, an obtaining: fidei, Paul. Nol. Ep. 32, 18 (in Cic. Fin. 3, 14, 48, Henry Stephens reads: ad virtutis adeptum, but the true reading is habitum, Madv.).