invoke (in¦voke)

verb

• 1call on (a deity or spirit) in prayer, as a witness, or for inspiration.
• summon (a spirit) by charms or incantation.

• 2cite or appeal to (someone or something) as an authority for an action or in support of an argument: the antiquated defence of insanity is rarely invoked in England
• call earnestly for: she invoked his help against this attack
• give rise to; evoke: how could she explain how the accident happened without invoking his wrath?

• 3 Computing cause (a procedure) to be carried out.