Editor's lead article in fact without substance (10)

I believe the answer is:

ethereally

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'without substance' is the definition.
I can't tell whether this definition defines the answer.

'editor's lead article in fact' is the wordplay.
'lead' suggests taking the first letters.
'article' becomes 'the' (the definite article).
'in fact' becomes 'really' (synonyms).
The first letter of 'editors' is 'e'.
'e'+'the'+'really'='ETHEREALLY'

Can you help me to learn more?

(Other definitions for ethereally that I've seen before include "airily" , "Spiritually" , "in heavenly style" .)

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