<p><strong>Verb</strong></p><ul><li>to call for with earnest desire; make supplication or pray for: to invoke God's mercy.</li><li>to call on (a deity, Muse, etc.), as in prayer or supplication.</li><li>to declare to be binding or in effect: to invoke the law; to invoke a veto.</li><li>to appeal to, as for confirmation.</li><li>to petition or call on for help or aid.</li><li>to call forth or upon (a spirit) by incantation.</li><li>Computers: to cause to be displayed, opened, or executed by clicking on a link, entering a search term, changing a parameter, etc.: Press and hold the R key to temporarily invoke the Rotate View tool, then drag your document to rotate.</li><li>to cause, call forth, or bring about.</li></ul>