The Collaborative International Dictionary of English v.0.48:
Appropriable \Ap*pro"pri*a*ble\, a. [See Appropriate.] Capable of being appropriated, set apart, sequestered, or assigned exclusively to a particular use. --Sir T. Browne. [1913 Webster]WordNet (r) 3.0 (2006):
appropriable adj 1: that can be appropriated; "appropriable funds"