permutable (adj.)
- adaptable
- adjustable
- alterable
- alterative
- changeable
- checkered
- commutable
- commutative
- convertible
- equal
- equivalent
- even
- ever-changing
- exchanged
- flexible
- fluid
- impermanent
- interchangeable
- kaleidoscopic
- malleable
- many-sided
- metamorphic
- mobile
- modifiable
- movable
- mutable
- mutual
- nonuniform
- plastic
- protean
- reciprocal
- reciprocating
- reciprocative
- resilient
- retaliatory
- returnable
- rubbery
- standard
- supple
- transient
- transitory
- transposed
- variable
