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knowledge; awareness
acceptance; consent; assent; agreement; compliance; acknowledgment; acknowledgement
forgiving; pardoning; excusing
承知しました。すぐやります。
Understood. I'll do it right away.
彼は内容を承知して契約書に署名した。
He consented to the contents and signed the contract.
ご承知の通りでございます。
As you know.