the world > action or operation > safety > protection or defence > preservation from injury or destruction > [adjective] > preserved or undestroyed > preserved from decay, loss, or destruction > capable of being preserved (4)
Capable of being conserved (in various senses); preservable; (also) †that is able to preserve (obsolete).
That may be kept or preserved. Cf. serve, v.3 1.
That can be kept or preserved.