Learn how to say Adjuration correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word adjure:
[with object and infinitive] formal
urge or request (someone) solemnly or earnestly to do something:
I adjure you to tell me the truth
late Middle English (in the sense ‘put a person on oath’): from Latin adjurare, from ad- ‘to’ + jurare ‘swear’ (from jus, jur- ‘oath’)