The Collaborative International Dictionary of English v.0.48:

Fixable \Fix"a*ble\ (-[.a]*b'l), a.
   Capable of being fixed.
   [1913 Webster]

Moby Thesaurus II by Grady Ward, 1.0:

29 Moby Thesaurus words for "fixable":
   ameliorable, amendable, approachable, bribable, buyable,
   correctable, corrigible, corrupt, corruptible, curable, emendable,
   improvable, medicable, mendable, on the pad, on the take,
   purchasable, reclaimable, recoverable, rectifiable, recyclable,
   redeemable, remediable, repairable, reparable, restorable,
   retrievable, reversible, venal