usable

adj

1.
capable of being put to use
useable
Derived from:
usableness use
Exemplifies:
British spelling
2.
fit or ready for use or service
functional operable operational useable
Derived from:
usableness use
Exemplifies:
British spelling
3.
convenient for use or disposal
available useable
Derived from:
use
Exemplifies:
British spelling