This is the 13157th most frequent German word.
anregenden
Stimulating or encouraging.
Used as an adjective to describe 'discussion', implying it was interesting or engaging.
Die Diskussion war sehr anregend.
The discussion was very stimulating.
Used as an attributive adjective describing 'ideas', indicating they provoke thought or interest.
Sie lasen ein Buch, das viele anregende Ideen enthielt.
They read a book that contained many stimulating ideas.
Used to describe the 'effect' induced by the image, suggesting it encouraged thought or emotion.