たぶんに
in great amount; considerably; substantially; quite
Adverb
高度こうどに専門的せんもんてきな話題わだいで、多分たぶんに誤あやまった情報じょうほうが含ふくまれる可能性かのうせいがあることはあらかじめお断ことわりしておきます。
Because this is such a highly technical subject, I would like to point out in advance the likelihood that some of what I'm about to say may include information that is incorrect.