Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Word Explorer
Children's Dictionary
Help
Help
Help
 
     

as·cer·tain

ascertain

 
 
pronunciation:
ae sr teIn
features:
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
derivations: ascertainable (adj.), ascertainably (adv.), ascertainment (n.)
Word Explorer
See
  learn
Word PartsSubscriber feature About this feature