Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
sanctĭfĭcātĭo, ōnis, f. [sanctifico], sanctification (eccl. Lat.), Tert. Exhort. ad Cast. 1; Sid. Ep. 8, 14; Vulg. 1 Cor. 1, 30 et saep.