Happy, satisfied (7)
I believe the answer is:
content
This clue is a double definition.
'happy' is the first definition.
(associated in meaning)
'satisfied' is the second definition.
(similar in meaning)
(Other definitions for content that I've seen before include "Satisfied, happy enough" , "what's included" , "Elements" , "Satisfied - subject matter" , "Peacefully happy" .)