call up

call up  {v.}

1. To make someone think of; bring to mind; remind.

The picture of the Capitol called up memories of our class trip.

2. To tell to come (as before a court).

The district attorney called up three witnesses.

3. To bring together for a purpose; bring into action.

Jim called up all his strength, pushed past the players blocking him, and ran for a touchdown.

The army called up its reserves when war seemed near.

4. To call on the telephone.