How to say "permission" in Japanese

Choosing the right word
  • 許可きょかJLPT N3approx.Common
    noun, suru verb, transitive verbThe most general word for permission: being allowed to do something, whether by a person or an authority. Covers both asking for and granting permission, and extends to authorization.
    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.
  • 免許めんきょJLPT N3approx.Common
    noun, suru verb, transitive verbReally means 'license' or 'permit': a formal, official grant of the right to do something. As a rendering of 'permission' it is marginal — seldom the word you want unless a license or permit is meant.
  • 許容きょようJLPT N1approx.Common
    noun, suru verb, transitive verbPermission in the sense of tolerance or allowance: something is accepted or permitted rather than actively granted. Often closer to 'acceptance' or 'tolerance' than to asking for and receiving permission.
    すべての職業しょくぎょうが女性じょせいに開ひらかれるべきだ、というのは今いまや完全かんぜんに許容きょようされている考かんがえ。↗
    It is now a fully accepted idea that all occupations should be open to women.
  • 許しゆるしCommon
    nounChiefly pardon or forgiveness — the act of forgiving a wrongdoing — with 'exemption' and 'permission' as secondary senses. For asking permission it is seldom the word you want; 許可 is the natural choice.
    Please excuse me for being rude.
  • 認可にんかCommon
    noun, suru verb, transitive verbFormal approval or authorization: an authority officially sanctions something. It counts as permission only in this official sense, not in the sense of one person allowing another to do something.
    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.

Use 許可 for permission in general, 認可 for official authorization by an authority, and 許容 for tolerance or allowance; 免許 is really 'license' and 「許し」 really 'forgiveness', only secondarily 'permission'.

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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