How to sign: 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";
Similiar / Same: get word, get wind, get a line, learn, hear, find out, discover, see
Within this category: ascertain, discover, get the goods, trip up, wise up
How to sign: take into custody
"the police nabbed the suspected criminals";