howsoever
/ˌhaʊsoʊˈɛvəɹ/
adverb
Meaning
Regardless of the way in which.
"Howsoever they pleaded, their pleas went unheard."
In any manner whatsoever.
"The party to this agreement may use the property whensoever and howsoever he or she pleases."
To whatever degree or extent.
"Their evidence, howsoever true it may have been, was not believed."