ascertain - WordReference.com Dictionary of English

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ascertain

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Concise Oxford English Dictionary © 2008 Oxford University Press:
ascertain /ˌasəˈteɪn/

▶verb find out for certain.

– derivatives
ascertainable adjective,
ascertainment noun.

– origin ME: from OFr. acertener, based on L. certus ‘settled, sure’.

'ascertain' also found in these Oxford entries:

canvass - check - determine - exact - feeler - find - inquest - level - measure - photogrammetry - quaint - reconnaissance - sample - screen - screen test - see - sequence - smell - sound - sun - swing - take - tell - test - textual criticism - titrate

Forum discussions with the word(s) "ascertain" in the title:

find out vs. ascertain
Need to be ascertain
pronunciation: ascertain

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