How to say "authorization" in Japanese

• 認定にんていCommon
  noun, suru verb, transitive verbCovers authorization in the sense of officially certifying or designating something, such as recognizing a person or organization as meeting certain qualifications. The nuance is formal acknowledgment of status by an authority.
  米べい消費者しょうひしゃ団体だんたいがRealPlayerを「バッドウェア」と認定にんてい。↗

  American consumer group identifies RealPlayer as 'badware'.
• 許可きょかJLPT N3approx.Common
  noun, suru verb, transitive verbThe most general word for authorization as permission: an authority allows an action, such as granting approval for a visa or a building. Use this when 'authorization' essentially means 'permission.'
  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.
• 授権じゅけんCommon
  noun, suru verb, transitive verbCovers authorization in the legal sense of vesting or delegating authority, as when a person or body is empowered to act on another's behalf. It is a formal, chiefly legal term.
• お墨付きおすみつきCommon
  nounRefers to authorization as a certificate or seal of approval, originally the shogun's written endorsement. Used figuratively for an authoritative stamp of approval rather than formal permission.
• 公認こうにんJLPT N1approx.Common
  suru verb, transitive verb, no-adjectiveCovers authorization as official recognition or approval of something by a public body or authority, such as officially sanctioning an organization. The nuance is public, formal endorsement of legitimacy.

For 'authorization,' choose 許可 for permission granted, 認定 for official certification of status, 授権 for delegation of authority, 公認 for official recognition, and 「お墨付き」 for informal endorsement or a stamp of approval.

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

• 認定にんていauthorization
• 許可きょかpermission
• 授権じゅけんauthorization
• お墨付きおすみつきcertificate
• 公認こうにんofficial recognition
• 委任いにんentrusting
• 協賛きょうさんsupport
• 委任状いにんじょうcommission
• オーソライズauthorization
• オーソリゼーションauthorization
• 墨付きすみつきcertificate