Did you know there are several meanings for the English phrasal verb "stand up"?

1) to lift oneself to a standing position
Example: You have to stand up when the bride walks down the aisle to honor her.

2) to support something
Example: Jose says he will stand up for his country during times of war.

3) to not follow through with a plan to meet someone
Example: I had a date with Dave but he stood me up and never came.