Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
fĭlĭcātus (felic-), a, um, adj. [filix], adorned with fern: paterae, i. e. on which fern-leaves are engraved, Cic. Par. 1, 2, 11; so, lances, id. Att. 6, 1, 13.