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as·cer·tain

ascertain

 
 
pronunciation:
ae sr teIn
features:
Word Combinations (verb), Word Explorer, Word Parts
part of speech: verb
inflections: ascertains, ascertaining, ascertained
definition: to learn without question; determine.
The doctor ascertained the cause of her illness.
synonyms:
determine
similar words:
confirm, discover, distinguish, establish, fathom, find out, learn, unearth, verify
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derivations: ascertainable (adj.), ascertainably (adv.), ascertainment (n.)
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