call upon

To officially ask someone to do something, usually in a serious or important situation.

"The chairperson called upon the delegates to vote on the resolution."

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Introduction to Programming and Computer Science - Full Course

freeCodeCamp.org · 40:21

we would call upon its index.

Gondor’s Army Explained in Detail - Middle-Earth Lore DOCUMENTARY

Wizards and Warriors · 4:41

or steward call upon the fiefs to send a

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