English Dictionary

ascertain

IPA（発音記号）

/ˌæsəˈteɪn/

動詞

廃用 古語

To find out definitely; to discover or establish. / (obsolete) To make (someone) certain or confident about something; to inform. / (archaic) To establish, to prove. / (archaic) To ensure or effect.

日本語の意味

確実に突き止める / 発見する、または明確に確定する / （古風な用法で）確信させる、または知らせる / （古風な用法で）立証する / （古風な用法で）確実にする、または実現させる

The investigators worked tirelessly to ascertain the cause of the power outage.

調査官たちは停電の原因を確実に突き止めようと懸命に働いた。

意味（1）

To find out definitely; to discover or establish.

As soon as we ascertain what the situation is, we can plan how to proceed.

意味（2）

(obsolete) To make (someone) certain or confident about something; to inform.

Therfore the saide cõmissioners shall mowe say that nowe late during the parlement the King ascertaigned of the saide maliciouse pʳpose of his enemys, willed and desired the lords being then present to shewe their̃ good willes aide and helpe for the saide rescues[…]

意味（3）

(archaic) To establish, to prove.

The two firſt lines of the following book ſeem to aſcertain the true meaning of the concluſion of this, and to prove ſufficiently that by Ωκεανός here, Homer could not poſſibly intend any other than a river.

意味（4）

(archaic) To ensure or effect.

It is true, that no diligence can aſcertain ſucceſs ; death may intercept the ſwifteſt career ; but he who is cut off in the execution of an honeſt undertaking, has at leaſt the honour of falling in his rank, and has fought the battle, though he miſſed the victory.

ascertains （ present singular third-person ）

ascertaining （ participle present ）

ascertained （ participle past ）

ascertained （ past ）