WordWeb Online

1. Disposed or willing to conform
   "someone amenable to the instruction of others";
   - conformable
    
2. Responsive to suggestions and influences
   "an amenable child";
   - tractable
    
3. Open to being acted upon in a certain way
   "an amenable hospitalization should not result in untimely death"; "the tumour was not amenable to surgical treatment"
    
4. Liable to answer to a higher authority
   "the president is amenable to the constitutional court"

See also: compliant, responsible, susceptible

Encyclopedia: Amenable