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ascertain
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/ˌæsə(r)ˈteɪn/ 
| present tense | |
| I/you/we/they | ascertain |
| he/she/it | ascertains |
| present participle | ascertaining |
| past tense | ascertained |
| past participle | ascertained |
- to find out something
Police are trying to ascertain the facts of the case.
ascertain whether/what/how etc:We need to ascertain whether the project is feasible.
ascertain that:The police have ascertained that he knew the victim.
ascertain from:This much could easily be ascertained from the newspapers.
ascertain the cause/nature/extent of something:Experts were unable to ascertain the cause of the accident.
This is the British English definition of ascertain. View American English definition of ascertain.
Change your default dictionary and thesaurus to American English.
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