Russian-English translations for выяснить

• ascertain
  As soon as we ascertain what the situation is, we can plan how to proceed
• find out
  I dont know who the twenty-first president of the United States was, but it should be very easy to find out.
  He had been fiddling the books for years, but finally he was found out.
  He may cope with the multiple choice questions, but the written exam will find him out.