Crossword Genius

Mediocre auditor’s impressionable (8)

Ross

I believe the answer is:

passable

I'm a little stuck... Click here to teach me more about this clue!

'mediocre' is the definition.
(thesaurus)

I don't understand the remainder of the clue.

Can you help me to learn more?

(Other definitions for passable that I've seen before include "examinations should be!" , "not hogging the road" , "OK" , "Barely adequate" , "All right" .)

I've seen this clue in The Hindu.
Want a hint initially instead of a full solution? Install my app