To solicit, petition for, appeal to a favorable attitude.
To appeal for validation to a (notably cited) authority.
To cause (a program or subroutine) to execute.
To conjure up with incantations.
To call to mind (something) for some purpose.
To bring about as an inevitable consequence.
To call upon (a person, a god) for help, assistance or guidance.
To beseech; to supplicate; to implore.