発案|はつあんhatsuan[0]heiban (flat)
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- noun, suru verb, transitive verbsuggestion; proposition; proposal; idea
- noun, suru verb, transitive verbsubmission (of a bill); motion; proposal
Conjugation
| Dictionary form | 発案する(はつあんする) |
|---|---|
| Polite (masu) | 発案します(はつあんします) |
| Negative (nai) | 発案しない(はつあんしない) |
| polite (masen) | 発案しません(はつあんしません) |
| classical zu / nu | 発案せず・発案せぬ(はつあんせず・はつあんせぬ) |
| Past (ta) | 発案した(はつあんした) |
| polite (mashita) | 発案しました(はつあんしました) |
| Past negative (nakatta) | 発案しなかった(はつあんしなかった) |
| polite (masen deshita) | 発案しませんでした(はつあんしませんでした) |
| Te form | 発案して(はつあんして) |
| Potential | 発案できる(はつあんできる) |
| Passive | 発案される(はつあんされる) |
| Causative | 発案させる(はつあんさせる) |
| Causative passive | 発案させられる(はつあんさせられる) |
| Conditional (ba) | 発案すれば(はつあんすれば) |
| tara | 発案したら(はつあんしたら) |
| Volitional | 発案しよう(はつあんしよう) |
| polite (mashou) | 発案しましょう(はつあんしましょう) |
| Imperative | 発案しろ(はつあんしろ) |
Common forms generated by rule; see the senses for honorific or irregular usage.
- Synonym提案ていあんNeutralThe most versatile word for putting forward a proposal or suggestion; 「発案」 stresses who first thought of the idea, as in 「彼の発案で」.
- Synonym提言ていげんWrittenPutting forward recommendations; written register, typically expert bodies advising on policy.
- Synonym発議はつぎWrittenFormally moving that a matter be debated; written register, focused on initiating a bill in the legislature.
- Synonym動議どうぎWrittenA motion put at a meeting; written register, for items raised on the spot, as in 「緊急動議」.
- Synonym建議けんぎWrittenFormally stating opinions or suggestions; written. Under the old constitution, Diet members petitioning the government; still used. 「発案」 stresses the idea's originator.
- SynonymプロポーザルNeutralLoanword for a plan or implementation scheme presented to another party for execution; used in business and public projects, as in 「プロポーザル方式」.
- Synonym申し出もうしでNeutralVoluntarily coming forward with an offer or application, as in 「申し出を受ける」.
- Synonym提議ていぎWrittenFormally tabling a proposal at a meeting; written register, with the focus on submitting something for discussion.
- Synonym献策けんさくWrittenOffering a stratagem or counsel; written register, focused on advising a superior, as in 「献策を行う」.
- Related申し入れもうしいれNeutralFormally presenting a request or notice; focused on negotiations between organizations.
- Related建言けんげんWrittenOffering an opinion or advice; written register, focused on addressing one's superiors, as in 「建言書」.
Use 「発案」 for coming up with an idea in the first place, as in 「彼の発案で始まった」 or 「発案者」. For submitting a proposal say 「提案」, for expert policy advice 「提言」, for a parliamentary motion 「動議」, and for coming forward with an offer 「申し出」.
Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only


