usable(that can be used; in good enough condition to be used The bike is rusty but usable. How can we display this data in a usable form? OALD Alexander Demidov)
serviceable(suitable to be used The carpet is worn but still serviceable. OALD.suitable for the situation in which something is used; effective You're wearing some serviceable-looking footwear, Johnny. CALD. good enough to be used for a particular purpose but not very attractive or exciting serviceable underwear/shoes. MED Alexander Demidov)
