I think they are right ........
Since astute means someone is very sharp and perceptive, I would say astute has a positive connotation.
Hope this helps! :)
The suffix in the word "enactment" is "-ment".
-ment as a suffix refers to the process of doing what the stem means. Its origin is in the Latin language, and it came to English through French:)
I say false because I just feel like it is you don't have to go with it though