Parsing inflected forms may not always work as expected. If the following does not give the correct word, try Latin Words or Perseus.
jūcundo, āre, v. a. [jucundus], to please, delight; mid., jucundari, to feel delighted, take delight (post-class.): consolationes Dei jucundant animam, Aug. de Gen. ad Litt. 12, 34; ex Psa. 94, 19: quotidie autem jucundabar ante faciem ejus, Lact. 4, 6; ex Prov. 8, 30; Vulg. Apoc. 11, 10 al.