Verb (5-dan, く, transitive)
1.  to hear
2.  to listen (e.g. to music)
esp. 聴く
3.  to ask;  to enquire;  to query
聴く is used in legal and official contexts
4.  to hear about;  to hear of;  to learn of
5.  to follow (advice, order, etc.);  to obey;  to listen to;  to comply with
6.  to hear (e.g. a plea);  to grant (a request);  to accept (e.g. an argument);  to give consideration to
7.  to smell (esp. incense);  to sample (a fragrance)
8.  to taste (alcohol);  to try
also 利く