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acknowledgement; acknowledgment; understanding; approval; consent
先方の諒承を得てから契約を締結する。
The contract will be concluded after obtaining the other party's consent.
日程変更について関係者の諒承を求めた。
Consent was sought from those involved regarding the schedule change.
上司の諒承なしに勝手に判断してはいけない。
You must not make decisions on your own without your superior's approval.