To generate (an image or an idea) in one's mind.
To create or produce something, seemingly magically.
To call up or command a spirit or devil by an incantation.
To call to mind (something) for some purpose.
To appeal for validation to a (notably cited) authority.
To cause (a program or subroutine) to execute.
To solicit, petition for, appeal to a favorable attitude.
To conjure up with incantations.
To bring about as an inevitable consequence.
To call upon (a person, a god) for help, assistance or guidance.