Customs (5)
'customs' is the definition.
(habit is a kind of custom)
This is all the clue.
(Other definitions for habits that I've seen before include "Nuns or monks uniforms" , "Uniforms of religious orders" , "Customs or robes" , "Attire worn by women riders" , "Normal practices in nuns' clothing?" .)
'customs' is the definition.
(as in social mores)
This is all the clue.
(Other definitions for mores that I've seen before include "Customs, manners" , "Customs and conventions of society" , "codes" , "(Society's) conventions" , "Fundamental values of a group" .)