Make or become different

• - a proposal to change the law

• - a Virginia creeper just beginning to change from green to gold

Make or become a different substance entirely; transform

• - filters change the ammonia into nitrate

• - computer graphics can show cars changing into cheetahs

Alter in terms of

• - the ferns began to change shape

(of traffic lights) Move from one color of signal to another

(of a boy's voice) Become deeper with the onset of puberty

(of the moon) Arrive at a fresh phase; become new

Take or use another instead of

• - she decided to change her name

Move from one to another

• - she changed jobs incessantly

• - change sides

Exchange; trade

• - the sun and moon changed places

Move to a different train, airplane, or subway line

Give up (something) in exchange for something else

• - we changed the shades for vertical blinds

Remove (something dirty or faulty) and replace it with another of the same kind

• - change a light bulb

Put a clean diaper on (a baby or young child)

Engage a different gear in a motor vehicle

• - wait for a gap and then change gears

• - with business concluded, the convention changes gear and a gigantic circus takes over the town

Exchange (a sum of money) for the same amount in smaller denominations or in coins, or for different currency

Put different clothes on

• - he changed for dinner