Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
Pāsĭthĕa, ae, and Pāsĭthĕē, ēs, f., = Πασιθέα, one of the three Graces: dea Pasithea, Cat. 63, 43; Sen. Ben. 1, 3, 7: Pasithee, Stat. Th. 2, 286.