DuckCorp Dico

Found one definition

1.                 From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   gladden /ɡlˈadən/ <v>
   erfreuen, beglücken <v, trans>
         "a gladdening experience"  - ein beglückendes Erlebnis
    see: gladdening, gladdened, gladdens, gladdened