Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
indulgĭtas, ātis, f. [indulgeo], indulgence, for indulgentia (ante-class.): indulgitate victus, Sisenn. ap. Non. 126, 9: indulgitate liberum, Cael. ap. Serv. ad Verg. G. 2, 345.