Could you please explain the difference in meaning between 設計{せっけい} and 提案{ていあん}? Could they be interchangeable to mean "to suggest"? Thank you in advance.

  • 1
    They are as different as chalk and cheese...did you look up 設計 in a dictionary?
    – naruto
    Apr 12, 2017 at 15:33
  • Od course, but when I want to say "to suggest smth", both 設計 and 提案 merge in my mind... so I hope for a constructional and decisive comment-help )
    – Fara
    Apr 12, 2017 at 16:32
  • Why, or where, do you want to use 設計 in place of "to suggest"? Apr 13, 2017 at 10:57

1 Answer 1


提案 is to suggest in the sense of to make a proposal. You always need another person (for example your business client) to do 提案. In another word, 提案 refers to saying "Let's do ~". Note that 提案 never means to suggest in the sense of to imply/say/remind (as in "The lion suggests bravery" or "The letter suggests he's angry").

設計 is to design (a product, a building, software, etc.) or to engineer. As long as you have a good engineering skill, you can finish 設計 all by yourself with a pen and paper, or CAD software. I don't know when this means to suggest. 設計 always refers to engineering design which does not require a sense of beauty. Graphic design, interior design, dress design and such are usually called デザイン.

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