1. to unfasten; to untie; to loosen; to solve (dificult problems, etc.)
  2. to analyse; to explain; to clarify
  3. to understand; bright and clever
  4. ideas, views
  5. to break up, seperate or disperse
  6. to take off; to strip; to remove (clothing, etc.); to get rid of
  7. to relieve; to alleviate (pain, etc.)
  8. to cut apart; to dissect
  9. to dissolve
  10. to discharge (water, etc.); to defecate

to understand or comprehend