CHANGING

To become something different.

Example: "The tadpole changed into a frog.   stock prices are constantly changing."

To make something into something else.

Example: "The fairy changed the frog into a prince.   i had to change the wording of the ad so it would fit."

To replace.

Example: "Ask the janitor to come and change the lightbulb.   after a brisk walk, i washed up and changed my shirt."

To replace one's clothing.

Example: "You can't go into the dressing room while she's changing.   the clowns changed into their costumes before the circus started."

To replace the clothing of (the one wearing it).

Example: "It's your turn to change the baby."

To transfer to another vehicle (train, bus, etc.)

To exchange.

To change hand while riding (a horse).

Example: "To change a horse"