What is the meaning of amenable?

adjective

• Disposed or willing to comply.
  • usage: "someone amenable to persuasion"
  • synonyms: conformable
• Readily reacting to suggestions and influences.
  • usage: "a responsive student"
  • synonyms: tractable
• Open to being acted upon in a certain way.
  • usage: "an amenable hospitalization should not result in untimely death"; "the tumor was not amenable to surgical treatment"
• Liable to answer to a higher authority.
  • usage: "the president is amenable to the constitutional court"