1.Definition: disposed or willing to conform

"Someone amenable to the instruction of others"

Related Adjective(s):conformable

2.Definition: liable to answer to a higher authority

"The president is amenable to the constitutional court"

3.Definition: 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"

4.Definition: responsive to suggestions and influences

"An amenable child"

Related Adjective(s):tractable