WordWeb Online

1. Capable of being treated by surgical operation
   "an operable cancer"
    
2. Fit or ready for use or service
   "the toaster was still operable even after being dropped";
   - functional, usable, useable, operational
    
3. Usable for a specific purpose
   "an operable plan";
   - practicable

See also: practical, serviceable

Antonym: inoperable

Encyclopedia: Operable