also: しょうちづく
noun
by mutual consent; with full knowledge and agreement
Used when both parties are fully aware of and agree to something, often in contexts like contracts, arrangements, or risky situations. Implies no deception or coercion.
それは承知尽くの契約だった。
That was a contract entered into with full mutual consent.
危険を承知尽くで彼はその仕事を引き受けた。
He took on the job fully aware of the risks.
合意 is a general term for agreement, while 承知尽く emphasizes that the agreement was made with full knowledge and acceptance of the circumstances, often implying potential downsides.
了承済み means 'already acknowledged/approved', focusing on the completion of acknowledgment, whereas 承知尽く stresses the mutual and informed nature of the agreement.
Compound of 承知 (しょうち, 'consent, knowledge') and 尽く (ずく, suffix meaning 'thoroughly, entirely'). The suffix 尽く adds the nuance of doing something with full commitment or awareness.