確証|かくしょうkakushou[0]heiban (flat)

1. nounconclusive evidence; positive proof; definite proof; confirmation
   連邦れんぽう取引とりひき委員会いいんかいは不正ふせい取引とりひきの調査ちょうさで新あらたな確証かくしょうを握にぎりました。↗

   The FTC nailed down new evidence in the fraud investigation.

• Synonym実証じっしょうWrittenUsually verifying a hypothesis with facts or experiments, as in 「実証研究」; it can also mean solid evidence, while 「確証」 is only a noun for conclusive evidence.
• Synonym証明しょうめいNeutralThe broadest term: showing reasons or evidence that something is true, as in 「身分証明」; it stresses the act of proving, while 「確証」 is the conclusive evidence itself.
• Related裏付けうらづけNeutralEvidence or grounds backing up a claim, as in 「裏付けを取る」; it stresses corroboration, while 「確証」 stresses proof conclusive enough to settle the matter.
• Related裏付けるうらづけるNeutralVerb meaning to back up a claim with evidence, as in 「仮説を裏付ける」; 「確証」 is a noun for the conclusive evidence itself.
• Related立証りっしょうWrittenEstablishing a fact by presenting evidence, mostly in legal and trial contexts, as in 「立証責任」; 「確証」 is the conclusive evidence the proof rests on.
• Related傍証ぼうしょうWrittenA written/formal prose term for indirect, circumstantial evidence that only aids the proof; its evidential force is weaker than directly conclusive 「確証」.

Use 「確証」 for conclusive, decisive evidence, as in 「確証を得る」. For ordinary backing say 「裏付け」, for indirect evidence 「傍証」, for the act of proving 「証明」, for legal proof 「立証」, and for verifying a hypothesis with facts 「実証」.

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

1. 確たしかな証拠しょうこ。
2. 確実かくじつな証明しょうめい。
3. 確たしかな証拠しょうこを挙あげる。確実かくじつに証明しょうめいする。