substitute a person or thing for (another that is broken or inefficient or lost or no longer working or yielding what is expected)

capable of being exchanged for or replaced by something of equal value

act of exchanging one type of money or security for another

convert into direct current

convert (from an investment trust to a unit trust)

convert (a company's reserve funds) into capital

convert illegally obtained funds into legal ones

exchange for smaller units of money

lay aside, abandon, or leave for another