This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

ad. in an accusable manner, in a manner chargeable with crime or fault

"I will even add, that there is a probability of your being not less than the fount and origin of this division of father and daughter, though Willoughby in the drawingroom last night stands accusably the agent. ""

blamably