noun
established policy; existing procedures; predetermined course
Refers to a course of action, policy, or plan that has already been decided and is being followed. Often used in political, business, or organizational contexts.
政府は既定路線に従って改革を進める方針だ。
The government intends to proceed with reforms according to the established policy.
その案は既定路線として扱われ、議論の余地はなかった。
The proposal was treated as a predetermined course, leaving no room for discussion.
Compound of 既定 (already decided) and 路線 (route, line). The term is used metaphorically to refer to a predetermined policy or course of action.