1To come up with an idea or proposal; the idea or suggestion itself, often used in meetings or planning contexts.
彼の発案でプロジェクトの方向性が大きく変わった。
Thanks to his idea, the project's direction changed dramatically.
このキャンペーンは若手社員の発案によるものだ。
This campaign is the result of a suggestion by a young employee.
新商品の発案を各チームで持ち寄って検討した。
Each team brought forward proposals for the new product and they were discussed.
2The submission of a bill, motion, or proposal (e.g., in a legislature or organization); can also refer to the submitted proposal itself.
議員が新しい条例の発案を行い、委員会で審議された。
A lawmaker submitted a new ordinance proposal, which was discussed in committee.
発案から可決までには時間がかかることが多い。
It often takes time from the proposal of a bill to its approval.