Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
† măgĭcē, ēs, f., = μαγική (sc. τέχνη), the magic art, magic, sorcery (post-Aug.): pariter utrasque artes effloruisse, medicinam dico magicenque, Plin. 30, 1, 2, § 10; 30, 1, 2, § 7: magices factio, id. 30, 1, 2, § 11.