Definition of amenable

The adj amenable has 4 senses? (first 1 from tagged texts)

(disposed or willing to comply; "someone amenable to persuasion")

(readily reacting to suggestions and influences; "a responsive student")

(open to being acted upon in a certain way; "an amenable hospitalization should not result in untimely death"; "the tumor was not amenable to surgical treatment")

(liable to answer to a higher authority; "the president is amenable to the constitutional court")