Definitions of bring up:

• verb:   promote from a lower position or rank
• verb:   cause to come to a sudden stop
• verb:   put forward for consideration or discussion

  Example: "Bring up an unpleasant topic"

• verb:   bring up

  Example: "Bring up children"

• verb:   make reference to
• verb:   cause to load (an operating system) and start the initial processes
• verb:   raise from a lower to a higher position
• verb:   evoke or call forth, with or as if by magic