How to say "approval" in Japanese

• 許可きょかJLPT N3approx.Common
  noun, suru verb, transitive verbCovers approval in the sense of permission or authorization: someone in a position to allow it lets you do something. Think of asking an office, a boss, or a parent for leave to proceed.
  ここでの喫煙きつえんは許可きょかされていません。↗

  Smoking is not permitted here.
• 賛成さんせいJLPT N3approx.Common
  suru verb, intransitive verb, no-adjectiveApproval as agreement or support: you are in favour of a proposal, plan, or opinion rather than granting permission. The word to use when voicing agreement in a discussion or vote.
  私わたしたちの計画けいかくに賛成さんせいしてくれますか。↗

  Are you agreeable to our plan?
• 賛同さんどうCommon
  noun, suru verb, intransitive verbApproval as endorsement: agreeing with and lending support to an idea, policy, or cause rather than merely permitting it. Used when seeking people's backing for a plan or appeal.
  私わたしたちが彼かれの意見いけんに賛同さんどうするのは簡単かんたんなことだ。↗

  It is easy for us to agree with his opinion.
• 認可にんかCommon
  noun, suru verb, transitive verbOfficial approval by an authority: sanctioning or licensing something, as when a government office approves a plan or grants a licence. Read it as formal authorization rather than personal permission.
  この計画けいかくはまだ委員会いいんかいから認可にんかされていない。↗

  This plan has not yet been cleared by the committee.
• 可決かけつJLPT N2approx.Common
  noun, suru verb, transitive verbApproval only in the parliamentary sense: a motion or bill being adopted or passed, typically by a vote. Seldom the word you want for approval generally — it is really 'passage' or 'adoption'.
  委員会いいんかいはその議案ぎあんを可決かけつした。↗

  The committee passed the bill.

Use 許可 for permission to do something, 認可 for official authorization, 賛成 for agreeing with a proposal, 賛同 for endorsing a cause, and 可決 only for a motion or bill being passed.

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

• 許可きょかpermission
• 賛成さんせいapproval
• 賛同さんどうapproval
• 認可にんかapproval
• 可決かけつapproval
• 容認ようにんapproval
• 同意どういagreement
• 承諾しょうだくconsent
• 認めみとめapproval
• 是認ぜにんapproval
• 賛意さんいapproval
• 許諾きょだくconsent
• 決裁けっさいsanction
• 支持しじsupport
• 承認しょうにんrecognition
• 了承りょうしょうacknowledgement
• 協賛きょうさんsupport
• 嘉賞かしょうapproval
• 准許じゅんきょapproval
• アプルーバルapproval
• 裁許さいきょsanction
• 裁可さいかsanction
• ご了承ごりょうしょうacknowledgement
• 成立せいりつconclusion (e.g. of a deal)
• 可かapproval
• 認許にんきょapproval