The Collaborative International Dictionary of English v.0.48:

Removable \Re*mov"a*ble\ (r?-m??v"?-b'l), a.
   Admitting of being removed. --Ayliffe. -- Re*mov`a*bil"i*ty
   (-?-b?l"?-t?), n.
   [1913 Webster]

WordNet (r) 3.0 (2006):

removable
    adj 1: capable of being removed or taken away or dismissed; "a
           removable cord"; "removable partitions" [ant:
           irremovable]
    2: able to be obliterated completely [syn: obliterable,
       removable]

Moby Thesaurus II by Grady Ward, 1.0:

22 Moby Thesaurus words for "removable":
   assignable, communicable, conductive, consignable, contagious,
   conveyable, expressable, impartable, interchangeable, mailable,
   metathetic, movable, portable, portative, transferable,
   transfusable, transmissible, transmissive, transmittable,
   transportable, transportative, transposable