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

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v. Present participle of counteract.

"But there is some good news: When a second test group was cued about their inherent aversion to accents, participants succeeded in counteracting their anti-accent bias with mild accents — though they were not successful with heavy ones."

counteracted    counteracting    counteractively    counteracts   

act    move    control    check    contain    hold    moderate    hold in    curb   

counterpoise   

counteracted    counteracting    counteractingly    counteractively    counteraction    counteracter    counteractant    counteractive    counteractor   

destroy    oppose    nullify    cancel    neutralize    correct    frustrate    hinder    impede