I'm laid back in easily-managed home (8)
I believe the answer is:
domicile
'home' is the definition.
(synonyms)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for domicile that I've seen before include "A person's place of residence" , "Habitation" , "Place of residence, abode" , "A person's principal home" , "One's permanent residence" .)