Views allowing stone to be overturned (8)
I believe the answer is:
thoughts
'views' is the definition.
('thought' can be a synonym of 'view')
'allowing stone to be overturned' is the wordplay.
'allowing' becomes 'though' (I am not sure about this - if you are sure you should believe this answer much more).
'stone' becomes 'st' (abbreviation).
'to be overturned' shows that the letters should be reversed in order.
'st' reversed gives 'ts'.
'though'+'ts'='THOUGHTS'
Can you help me to learn more?
(Other definitions for thoughts that I've seen before include "Ideas, musings" , "They are in my mind" , "Notions" , "Cogitations" , "Ideas and opinions (8)" .)