decisionmaking
意思決定
解説 Definition
意思決定は複数の選択肢から最良の行動方針を選択するプロセスです。個人、組織、政府レベルで重要な機能です。
Decisionmaking is the process of choosing between different options or actions. It is used in business, psychology, government, and daily life. The word often refers not just to the final choice, but also to the thinking behind it.
覚え方のコツ Memory Tip
decisionmaking はそのまま decision（決定）+ making（作ること）で、まず decision を確実に押さえると覚えやすい。日常では make a decision「決める」、仕事やニュースでは decision-making process / decision-making skills の形で頻出。choice が「選択肢」寄りなのに対し、decision は選んだ結果や判断そのもの。policy-making, lawmaking などと同じ「名詞+making＝〜を作る営み」の型で見ると整理しやすい。表記は decision-making のハイフン付きも多い。
See `decisionmaking` as `decision + making`. If you remember the common phrase `make a decision`, the noun is easier to keep in mind. It often appears in phrases like `decision-making process` or `decision-making skills`.
例文
Decisionmaking in business requires careful analysis of market trends.
ビジネスの意思決定は市場トレンドの慎重な分析を必要とします。
The committee's decisionmaking process was transparent and democratic.
委員会の意思決定プロセスは透明で民主的でした。
Good decisionmaking skills are essential for leadership positions.
優れた意思決定スキルはリーダーシップポジションに不可欠です。
decisionmaking の類義語・関連語
decisionmaking の語源・成り立ち Etymology
decisionmaking は decision と making の複合語。decision はラテン語 decidere（de-「離して」+ caedere「切る」）に由来し、decide や incision も同じ語根なので、選択肢を切り分けて一つに定める行為が「意思決定」になる。
Decisionmaking is a compound of decision and making. Decision comes from Latin decidere, literally "to cut off," from de- "off" and caedere "to cut." The idea is that choosing means cutting away other options and settling on one, which led to the modern sense of making a choice. Related words from the same root include decide and incision.
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