A presumption or assumption made when there is not definitive proof; often used in legal or investigative contexts ('to presume that...').
警察は目撃情報に基づいて、彼が現場にいたと推定した。
Based on eyewitness reports, the police presumed that he was at the scene.
この事実だけでは推定にすぎないが、慎重に扱う必要がある。
This alone is only a presumption, but it needs to be handled carefully.
民法では特定の事情を理由に『推定』が成立する場合がある。
In civil law, a presumption may be established based on certain circumstances.
An estimation derived from known data or information; the act of estimating or the estimated value.
被害額は専門家の試算で推定された金額だ。
The amount of damage was an estimated figure calculated by experts.
年齢は書類がないため、外見から推定するしかなかった。
Because there were no documents, we had no choice but to estimate the age from appearance.
統計に基づく推定では誤差が生じることがある。
Estimates based on statistics can contain errors.