acknowledge as

acknowledge (one) as

To publicly announce or accept that one possesses certain qualities or has attained a specific achievement or result. All she wanted was for her old boss to finally acknowledge her as the new director of the organization. The dissidents refused to acknowledge the new leader as legitimate.
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acknowledge someone as something

to agree or announce publicly that a person holds a particular office or station, or that a person has particular qualities. She found it difficult to acknowledge herself as a failure.
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acknowledge something as something

to agree or announce publicly that something is as previously stated. The president acknowledged the statement as the truth.
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References in classic literature ?
I will not acknowledge a crime in my house; for when crime enters a dwelling, it is like death -- it does not come alone.