1. Fit or ready for use or service
   "The old car was still useable after minor repairs";
   - functional, usable, operable, operational, up and running
    
2. Capable of being put to use
   "useable byproducts";
   - usable
    
3. Convenient for use or disposal
   "the house is useable after July 1";
   - available, usable

See also: disposable, serviceable, useful, utile

Encyclopedia: Useable