find out

after a calculation, investigation, experiment, survey, or study

• “find the product of two numbers”
• “The physicist who found the elusive particle won the Nobel Prize”

get to know or become aware of, usually accidentally

• “I learned that she has two grown-up children”
• “I see that you have been promoted”

find out, learn, or determine with certainty, usually by making an inquiry or other effort

• “I want to see whether she speaks French”
• “See whether it works”
• “find out if he speaks Russian”
• “Check whether the train leaves on time”

trap; especially in an error or in a reprehensible act

• “He was caught out”
• “She was found out when she tried to cash the stolen checks”