Some House fulminations can serve a purpose (6)

I believe the answer is:

useful

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'some house fulminations can serve a purpose' is the definition.
I can't judge whether this defines the answer.

'some house fulminations can' is the wordplay.
'some' indicates a hidden word (some of the parts of the word are used).
'USEFUL' can be found hidden inside 'house fulminations can'.

Can you help me to learn more?

(Other definitions for useful that I've seen before include "Effective" , "Having a function" , "Proficient; handy" , "Practicable" , "Advantageous; very able" .)

I've seen this clue in The Irish Times.

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