useable useable /ˈjuːzəbəl/

adjective

1. () Fit or ready for use or service  ( functional , operable , usable , operational , useable )
   fit or ready for use or service
    The toaster was still functional even after being dropped
   the toaster was still functional even after being dropped
    The lawnmower is a bit rusty but still usable
   the lawnmower is a bit rusty but still usable
    An operational aircraft
   an operational aircraft
    The dishwasher is now in working order
   the dishwasher is now in working order
   
2. Convenient for use or disposal  ( available , usable , useable )
   convenient for use or disposal
    The house is available after July 1
   the house is available after July 1
    2000 square feet of usable office space
   2000 square feet of usable office space
   
3. Capable of being put to use  ( useable , usable )
   capable of being put to use
    Usable byproducts
   usable byproducts