interchangeable

interchangeable
    adj 1: (mathematics, logic) such that the arguments or roles can
           be interchanged; "the arguments of the symmetric
           relation, `is a sister of,' are interchangeable"
    2: 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}]
    

Interchangeable \In`ter*change"a*ble\, a. [Cf. OF.
   entrechangeable.]
   [1913 Webster]
   1. Admitting of exchange or mutual substitution.
      "Interchangeable warrants." --Bacon.
      [1913 Webster]

   2. Following each other in alternate succession; as, the four
      interchangeable seasons. --Holder. --
      {In`ter*change"a*ble*ness}, n. -- {In`ter*change"a*bly},
      adv.
      [1913 Webster]
    

59 Moby Thesaurus words for "interchangeable":
      alike, assignable, changeable, communicable, commutable,
      commutative, conductive, consignable, contagious, convertible,
      conveyable, equal, equalizing, equivalent, even, exchangeable,
      exchanged, expressable, give-and-take, impartable, indiscernible,
      indistinct, indistinctive, indistinguishable, interchanged,
      mailable, metathetic, movable, mutual, permutable, portable,
      portative, reciprocal, reciprocating, reciprocative, removable,
      retaliatory, returnable, standard, stereotyped, substitutable,
      swapped, switched, traded, transferable, transfusable,
      transmissible, transmissive, transmittable, transportable,
      transportative, transposable, transposed, undifferentiated,
      undiscriminated, undistinguishable, undistinguished, uniform,
      without distinction