King's Kung-Fu& Tai Chi

Japanese symbol for “authentication”

Romaji: ninshou
certification; attestation; authentication; confirmation

In Japanese, authentication is , read (ninshou).

Before using these characters for a tattoo, check them with a native speaker. Dictionary words often have several meanings, and the right choice depends on context.

Meanings

  1. n, vs, vt certification; attestation; authentication; confirmation
  2. n, vs, vt Imperial attestation

Kanji and stroke order

acknowledge, witness, discern
on: ニン
kun: みと.める、したた.める
14 strokes · JLPT 2
evidence, proof, certificate
on: ショウ
kun: あかし
12 strokes · JLPT 1

Other Japanese words for “authentication”

WordReadingMeaning
こうしょう koushouauthentication; notarization; notarisation
データかくにん deetakakunin(data) authentication

Related words

Words that share a kanji.

WordReadingMeaning
かくにん kakuninconfirmation; verification; validation
にんしき ninshikirecognition; awareness; perception
しょうにん shouninrecognition; acknowledgement; acknowledgment
みとめ mitomeapproval; acceptance; recognition
こうにん kouninofficial recognition; official approval; certification
にんか ninkaapproval; license; licence
しょうこ shoukoevidence; proof
しょうめい shoumeiproof; testimony; demonstration

See also: Chinese symbol for “authentication”.

Data: JMdict (CC BY-SA 4.0); KANJIDIC2 (CC BY-SA 4.0); KanjiVG (CC BY-SA 3.0); wordfreq (CC BY-SA 4.0 (data)). Retrieved 2026-10-22.

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