This is the 1148th most frequent Japanese word.
判明
"判明" means "to become clear" or "to be ascertained."
In this sentence, 判明 is used to denote the revelation or confirmation of his innocence.
彼が無罪であることが判明した。
It was revealed that he is innocent.
In this sentence, 判明 (kanmei) is used to indicate the discovery or clarification of the cause of the incident.
事件の原因が判明しました。
The cause of the incident has been identified.
Here, 判明 is used to express the uncovering or identification of new facts through study or research.