What does the word invoke mean?

Usage examples for invoke

  1. The word had come to her lips, but she had not the courage to invoke the consequences of such a taunt. – The Log School-House on the Columbia by Hezekiah Butterworth
  2. Probably never before in history had a Christian community welcomed a party of this unfortunate race, which had been despised and persecuted from one end of Europe to the other, which could call no country home, nor invoke the protection of any government. – American Men of Action by Burton E. Stevenson
  3. I confidently invoke its testimony and its judgment. – Pius IX. And His Time by The Rev. Æneas MacDonell Dawson