Transport stage, altering standpoints (8)
I believe the answer is:
vantages
'standpoints' is the definition.
Although both the answer and definition are plural nouns, I cannot see how one could define the other.
'transport stage altering' is the wordplay.
'transport' becomes 'van' (van is a kind of transport).
'altering' indicates anagramming the letters.
'stage' with letters rearranged gives 'tages'.
'van'+'tages'='VANTAGES'
Can you help me to learn more?
(Another definition for vantages that I've seen is " Benefits after deuces on court".)