This is the 15308th most frequent German word.
unterhaltsamen
Entertaining.
The word 'unterhaltsamen' is used as an attributive adjective describing the noun 'Film'.
Ich habe einen unterhaltsamen Film gestern gesehen.
I watched an entertaining movie yesterday.
Here, 'unterhaltsam' is used predicatively to describe the subject 'Diskussion'.
Die Diskussion auf der Konferenz war ungewöhnlich unterhaltsam.
The discussion at the conference was unusually entertaining.
In this example, 'unterhaltsamen' functions as an attributive adjective describing the plural noun 'Geschichten'.