ascertain
/ˌæsɚˈteɪn/ verb C2- To find out definitely; to discover or establish. · As soon as we ascertain what the situation is, we can plan how to proceed.
- To look for something lost.
He/she/it ascertains · Past ascertained · Past participle ascertained · -ing form ascertaining
Verb forms
- Base form
- ascertain
- He/she/it
- ascertains
- Past
- ascertained
- Past participle
- ascertained
- -ing form
- ascertaining
From the library
Every effort should be made to find the secretary, Stangerson, and to ascertain some particulars of the habits of the deceased.
“Yes; there is a point which I wish to ascertain.
I naturally began by examining the roadway, and there, as I have already explained to you, I saw clearly the marks of a cab, which, I ascertained by inquiry, must have been there during the night.
I was ascertaining whether the cellar stretched out in front or behind.
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