convertible

Adjective

• capable of being changed in substance as if by alchemy
  • is lead really transmutable into gold?
    
  • ideas translatable into reality
    

• designed to be changed from one use or form to another
  • a convertible sofa
    
  • a convertible coupe
    

• capable of being exchanged for or replaced by something of equal value
  • convertible securities
    

Noun

• a sofa that can be converted into a bed

• a corporate security (usually bonds or preferred stock) that can be exchanged for another form of security (usually common stock)

• a car that has top that can be folded or removed

Related words

• Synonyms: 
  transformable , translatable , transmutable , exchangeable , sofa bed , convertible security
• Antonyms: 
  inconvertible , unconvertible , unexchangeable