Fetching details from the dictionary...

indeed; really; truly; just (like)
very; extremely; totally; terribly
absolutely; certainly; for sure
「如何にも」 has another reading with different meanings.
如何にも彼らしい発言だと皆が笑いました。
That was indeed a remark typical of him.
如何にも本物らしく作られている。
It's made to look very authentic.
如何にも怪しい人物だ。
He looks every bit the suspicious type.