Yes, playing with cats will bring delight (7)
I believe the answer is:
ecstasy
'delight' is the definition.
(I have seen 'Great delight ' mean 'ecstasy' so perhaps 'delight' could also mean 'ecstasy')
'yes playing with cats' is the wordplay.
'playing with' indicates an anagram.
'yes' mixed up with 'cats' gives 'ECSTASY'.
'will bring' is the link.
(Other definitions for ecstasy that I've seen before include "Seventh heaven" , "Street name for the MDMA drug" , "Emotional state; drug" , "State of perfect bliss" , "Modern drug associated with dance raves" .)