capable of being treated by surgical operation; "an operable cancer"
usable for a specific purpose; "an operable plan"; "a practicable solution" 同义词:practicable,
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" 同义词:functional, usable, useable, operational,