Adjective

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