- operable - capable of being treated by surgical operation; "an operable cancer"
Antonym: inoperable
- functional, usable, useable, in working order, 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"
Antonym: unserviceable (indirect, via serviceable)
- operable, practicable - usable for a specific purpose; "an operable plan"; "a practicable solution"
Antonym: impractical (indirect, via practical)