Verb

(head)

(cite)

Verb

(cit)

To quote; to repeat, as a passage from a book, or the words of another.

* {{quote-magazine, date=2013-06-07, author=(Gary Younge)

, volume=188, issue=26, page=18, magazine=(The Guardian Weekly) , title= Hypocrisy lies at heart of Manning prosecution , passage=WikiLeaks did not cause these uprisings but it certainly informed them. The dispatches revealed details of corruption and kleptocracy that many Tunisians suspected, but could not prove, and would cite as they took to the streets.}}

To list the source(s) from which one took information, words or literary or verbal context.

To summon officially or authoritatively to appear in court.

Verb

(invok)

To call upon (a person, especially a god) for help, assistance or guidance.

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To appeal for validation to a (notably cited) authority.

In certain Christian circles invoking the Bible constitutes irrefutable proof.

To conjure up with incantations.

This satanist ritual invokes Beelzebub.

To bring about as an inevitable consequence.

Blasphemy is taboo as it may invoke divine wrath.

To solicit, petition for, appeal to a favorable attitude.

The envoy invoked the King of Kings's magnanimity to reduce his province's tribute after another draught.

(computing) To cause (a program or subroutine) to execute.

Interactive programs let the users enter choices and invoke the corresponding routines.

* C++ lets you invoke an operator function either by calling the function or by using the overloaded operator with its usual syntax. — Stephen Prata.