Meaning of “find (sth) out” - Learner’s Dictionary

find (sth) out

phrasal verb with find us uk /faɪnd/ verb [ T ] past tense and past participle found

A2 to get information about something, or to learn a fact for the first time:

I must find out the train times.
[ + question word ] Peter was shocked when he found out what we had done.

(Definition of “find (sth) out” from the Cambridge Learner’s Dictionary © Cambridge University Press)