How to say "suggestion" in Japanese

Choosing the right word
  • 提案ていあんJLPT N3approx.Common
    noun, suru verb, transitive verbA suggestion in the sense of a plan, idea, or proposal put forward for others to consider, as at a meeting. This is the word for proposing something concrete.
    私の提案ていあんを承認しょうにんしていただけますか。↗
    Could you approve my proposal?
  • 示唆しさCommon
    noun, suru verb, transitive verbA suggestion in the sense of a hint or implication: something conveyed indirectly rather than stated outright. It is not the word for a proposal or piece of advice.
    アントレの書物しょもつの事実じじつ誤認ごにんの数かずは、アベルが示唆しさした数かずよりも相当そうとうに少すくない。↗
    The number of errors of fact in Arendt's book are considerably fewer than Abel implies.
  • 勧めすすめJLPT N1approx.Common
    nounA suggestion that someone do something — a recommendation or encouragement to take an action. Use it when you urge or advise a course of action rather than propose an idea.
    もし彼かれのすすめに従したがっていたら、会社かいしゃに一いち銭せんもなくなっていたかもしれません。↗
    The firm might have lost all its money if it had taken his advice.
  • 助言じょげんJLPT N1approx.Common
    noun, suru verb, transitive verb, intransitive verbA suggestion made as advice: counsel or a tip offered to help someone with a decision or problem, rather than a plan being proposed.
    コーチが助言じょげんをしてくれた。↗
    The coach gave me some advice.
  • 連想れんそうJLPT N3approx.Common
    noun, suru verb, transitive verbCovers suggestion only in the sense of association of ideas — one thing evoking or reminding you of another. It is seldom the word you want for a suggestion in everyday senses like a proposal or advice.
    緑みどりは草くさを連想れんそうさせる。↗
    Green is associated with grass.

Use 提案 for a plan or idea put forward for consideration, 「勧め」 for urging someone to do something, 助言 for advice, 示唆 for an indirect hint or implication, and 連想 only for the mental association sense.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

Japanese equivalents
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JLPT vocabulary levels are community estimates, not official (no official lists have been published since the 2010 revision).

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