Source : Webster's Revised Unabridged Dictionary (1913)

Editorially \Ed`i*to"ri*al*ly\, adv.
   In the manner or character of an editor or of an editorial
   article.

Source : WordNet®

editorially
     adv : by means of an editorial; "the paper commented editorially
           on the scandal" [syn: {with an editorial}, {in an
           editorial}]