exchangeable

from WordNet (r) 3.0 (2006)

exchangeable
    adj 1: suitable to be exchanged [ant: {unexchangeable}]
    2: capable of being exchanged for or replaced by something of
       equal value; "convertible securities" [syn: {convertible},
       {exchangeable}] [ant: {inconvertible}, {unconvertible},
       {unexchangeable}]
    3: capable of replacing or changing places with something else;
       permitting mutual substitution without loss of function or
       suitability; "interchangeable electric outlets"
       "interchangeable parts" [syn: {exchangeable},
       {interchangeable}, {similar}, {standardized}, {standardised}]

from The Collaborative International Dictionary of English v.0.48

Exchangeable \Ex*change"a*ble\, a. [Cf.F. ['e]changeable.]
   1. Capable of being exchanged; fit or proper to be exchanged.
      [1913 Webster]

            The officers captured with Burgoyne were
            exchangeable within the powers of General Howe.
                                                  --Marshall.
      [1913 Webster]

   2. Available for making exchanges; ratable. "An exchangeable
      value." --J. S. Mill.
      [1913 Webster]