interchangeable

Adjective

• capable of replacing or changing places with something else; permitting mutual substitution without loss of function or suitability
  • interchangeable electric outlets interchangeable parts
    

• (mathematics, logic) such that the arguments or roles can be interchanged
  • the arguments of the symmetric relation, `is a sister of,' are interchangeable
    

Related words

• Synonyms: 
  exchangeable , similar , standardized , standardised