Associate seen as 'catch' on reflection, right? (7)
I believe the answer is:
partner
'associate' is the definition.
(partner is a kind of associate)
'catch on reflection right?' is the wordplay.
I cannot really see how this works, but
'right?' could be 'part' (right is a kind of part) and 'part' is found in the answer.
This explanation may well be incorrect...
'seen as' acts as a link.
Can you help me to learn more?
(Other definitions for partner that I've seen before include "A person dancing with another" , "Sidekick" , "Professional colleague" , "Comrade" , "sometimes joining in crime" .)