apprehend, approve of, arbitrate, ascertain, attend, attend to, auscultate, be all ears, be aware of, be conscious of, be informed, be sensible of, be told, bend an ear, bug, catch, catch on, charge the jury, cock the ears, condone, conduct a trial, consider, determine, discover, eavesdrop, entertain, examine by ear, experience, feel, find, find out, gather, get, get an earful, get wind of, give attention, give audience to, give ear, give ear to, hark, have the facts, hear of, hear out, hear tell of, hearken, hearken to, hearsay, heed, hold court, hold the scales, intercept, judge, know, know well, learn, lend an ear, listen, listen at, listen in, listen to, officiate, overhear, pay attention to, perceive, pick up, referee, respond, respond to stimuli, sanction, see, sense, sit in judgment, sit in on, smell, take in, tap, taste, touch, try, try a case, umpire, understand, unearth, wiretap