In a sentence
Six example sentences with ascertain, each labelled with its topic.
Three blood panels and a scan were needed to ascertain why a healthy runner kept fainting after short, easy sessions.
Medicine
The team read six weeks of logs to ascertain which of four services had actually dropped the customer's order.
Technology
Surveyors tagged two hundred fish to ascertain whether the new weir was blocking the run upstream in spring.
Environment
Investigators interviewed nine witnesses to ascertain the order in which the cars had entered the junction.
Law
Auditors combed twelve months of statements to ascertain where the missing four thousand pounds had actually gone.
Finance
The founders ran a two-week survey to ascertain whether customers would pay for the feature before writing any code.
Startups
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Found in these word lists
Found in 6 published word listsRecognized
Each source is a published word list that contains ascertain. No exam board publishes an official GRE, GMAT or SAT list; GMAT words come from GRE lists and the Academic Word List.