(n.) The quality of being audible; power of being heard; audible capacity.

NB TLC absorption acclaim act of courtesy acuity acuteness agility alertness amenity anticipation application assiduity attentions attentiveness audibility audience audition aural examination aural sense auscultation awareness benignity brightness bugging care carefulness caution circumspection circumspectness civility cognizance concentration concern conference consciousness considerateness consideration courtesy debate deference deliberation devoirs diligence distinction duties eager attention ear eavesdropping egards electronic surveillance engrossment examination by ear favor favorable attention forethought gallantry graceful gesture hearing heed heedfulness heeding homage honor hushed attention immersion industry intentness interview keenness kindliness limelight listening listening in loving care mark mind mindfulness nimbleness note notice notoriety observance observation polite act preparedness prominence promptitude promptness publicity punctuality quickness rapt attention readiness regard regardfulness regards remark respects reverence sedulity sedulousness sense of hearing sensibility sharpness sleeplessness smartness solicitude study tender loving care thoughtfulness tryout urbanity wakefulness wiretapping