In an enforcing or compelling manner; with force or authoritative pressure.
From the rare adjective 'enforcive' plus '-ly.' This is doubly rare—first, 'enforcive' is almost never used, and then adding '-ly' creates an adverb form that's even more obscure.
This word is so rare that it might not exist in any modern text. We can construct it logically from English word-formation rules, but languages are ultimately democratic—words die when nobody uses them, and 'enforcively' lost that popularity battle long ago.
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