Synonyms:
- changeable,
- commutable,
- commutative,
- convertible,
- equal,
- equalizing,
- equivalent,
- even,
- exchanged,
- give-and-take,
- interchangeable,
- mutual,
- permutable,
- reciprocal,
- reciprocating,
- reciprocative,
- retaliatory,
- returnable,
- standard,
- swapped,
- switched,
- traded,
- transposed