to perceive;  to understand
 to recognise;  to recognize;  to know by sight;  to become acquainted with
 acquaintance;  friend; (arch.)  lover
 to be aware of;  to know about;  to be concerned in;  to have to do with
 to have no way of knowing;  to be completely ignorant of
 to know shame;  to have a sense of shame;  to be ashamed
 to know one has enough;  to be satisfied with one's lot in life
 well-known only to those in the know;  be well-known but to the few;  highly regarded by a select few
 right to know;  right to access information
 to learn something through hearing
 God only knows;  it's anyone's call;  heaven knows
 who cares?;  see if I care;  who knows?;  how should I know?
 to know something by direct experience; (lit.) to know through the skin
 to know personally;  to have personal knowledge of
 to turn 50;  to reach 50 years of age
 to know each other;  to exchange vows;  to love each other
 to fall in love (for the first time);  to know love;  to be compassionate
 to have carnal knowledge (of a woman)
 a straw will show which way the wind blows;  a falling leaf shows that autumn has come
 poets can stay in one place and still know all the famous sights