Not too difficult as exams go and fair (8)
I believe the answer is:
passable
'fair' is the definition.
(synonyms)
'not too difficult as exams go' is the wordplay.
I cannot quite understand how this works, but
'as' is within the answer.
This explanation may well be incorrect...
'and' acts as a link.
Can you help me to learn more?
(Other definitions for passable that I've seen before include "Fair" , "Fairly good but not outstanding" , "examinations should be!" , "Good enough to be acceptable" , "OK" .)