useable(s = adj.all)functional, operable, operational, usable - fit or ready for use or service; "an operational aircraft"; "the dishwasher is now in working order"; "the lawnmower is a bit rusty but still usable"; "the toaster was still functional even after being dropped"
useable(s = adj.all)available, usable - convenient for use or disposal; "2000 square feet of usable office space"; "the house is available after July 1"