[v] 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"
[v] receive a communication from someone; "We heard nothing from our son for five years"
[v] perceive sound; perceive by the auditory sense
[v] listen and pay attention; "Listen to your father"; "We must hear the expert before we make a decision"
[v] examine or hear (evidence or a case) by judicial process; "The jury had heard all the evidence"; "The case will be tried in California"
discover, find out, get a line, get wind, get word, learn, listen, pick up, see, take heed, try