Rogets II: The New Thesaurus, Third Edition. 1995.
hear
VERB:
1. To obtain knowledge or awareness of something not known before, as through observation or study: ascertain, determine, discover, find (out), learn. SeeTEACH. 2. To perceive by ear, usually attentively: attend, hark, heed, listen. Archaic :hearken. Idioms: give (or lend) one's ear. SeeSOUNDS.