Source : Webster's Revised Unabridged Dictionary (1913)

Gettable \Get"ta*ble\, a.
   That may be obtained. [R.]

Source : WordNet®

gettable
     adj 1: capable of being attained or accomplished; "choose an
            attainable goal"; "art is not something that is
            come-at-able by dint of study" [syn: {attainable}, {come-at-able},
             {getable}]
     2: capable of being obtained; "savings of up to 50 percent are
        obtainable" [syn: {getable}, {obtainable}, {procurable}]