Verb (5-dan, る, transitive)
1.  to be aware of;  to know;  to be conscious of;  to cognize;  to cognise
2.  to notice;  to feel
3.  to understand;  to comprehend;  to grasp
4.  to remember;  to be acquainted with (a procedure)
5.  to experience;  to go through;  to learn
6.  to be acquainted with (a person);  to get to know
7.  to concern