v.1. To shout something from a lower level to a higher one: Standing on the sidewalk, I called up to the people on the roof.
2. To summon someone from a lower level to a higher one: The speaker called members of the audience up to the stage to receive a prize. After I climbed to the top of the tower and determined that it was safe, I called up the others who had stayed behind.
3. To telephone someone or something: As soon as I heard the news, I called up my broker and told her to sell the stock. I called him up to ask if he was free for lunch.
4. To summon someone to active military service: The military has called up thousands of reserve troops for active duty. The reservists have begun training in case the military calls them up.
5. To cause someone to remember something; bring something to mind: The view of the river called up a painting I had once seen. The therapist was certain that I had repressed memories and that her therapy would call them up.
6. To bring something forth for action or discussion: At the meeting, the treasurer called up the budget proposal for review. Supporters of the legislation complained that the senator had never called it up for a vote.
7. To summon or draw on something: I called up all my courage and asked the boss for a raise.