Source : Webster's Revised Unabridged Dictionary (1913)

Retrievable \Re*triev"a*ble\, a. [From {Retrieve}.]
   That may be retrieved or recovered; admitting of retrieval.
   -- {Re*triev"a*ble*ness}, n. -- {Re*triev"a*bly}, adv.

Source : WordNet®

retrievable
     adj : capable of being regained especially with effort; "he
           believed the information was retrievable"