Legislative assembly, in practice, following call to attend (5)
I believe the answer is:
house
'legislative assembly' is the definition.
(house is a kind of legislative assembly)
'practice following call to attend' is the wordplay.
'practice' becomes 'use' (use is a kind of practice).
'following' says to put letters next to each other.
'call to attend' becomes 'ho' (I can't explain this - if you can you should believe this answer much more).
'use' after 'ho' is 'HOUSE'.
'in' is the link.
Can you help me to learn more?
(Other definitions for house that I've seen before include "Inn" , "Residential building" , "See 13" , "Provide with shelter" , "Royal family" .)