[ɪnˈvəʊk], (Verb)

Definitions:
- call on (a deity or spirit) in prayer, as a witness, or for inspiration

- cite or appeal to (someone or something) as an authority for an action or in support of an argument
(e.g: the antiquated defence of insanity is rarely invoked in England)

- cause (a procedure) to be carried out


Phrases:

Origin:
late 15th century: from French invoquer, from Latin invocare, from in- ‘upon’ + vocare ‘to call’