noun
definite plan; finalized proposal
Refers to a plan or proposal that has been formally decided or finalized, often in business, policy, or legal contexts.
来年度の予算案はまだ成案に至っていない。
The budget proposal for next fiscal year has not yet been finalized.
委員会で成案を得るまでに時間がかかった。
It took time to reach a definite plan in the committee.