Definition of "conjure"

"Thou great Norman lump!" he muttered. "If I conjure till Doomsday, I cannot make thee gold."

1971, Richard Carpenter, Catweazle and the Magic Zodiac, Harmondsworth: Puffin Books, page 7

There was a deep silence, while Helen's vivid fancy conjured up the scene. She knew the small neat room—she had been with Mrs. Palmer to see it; the cheerful garden filled with flowers, the hum of the distant play-ground, the rosy clusters of an acacia-tree, whose branches almost came in at the window;...

1838 (date written), L[etitia] E[lizabeth] L[andon], chapter V, in Lady Anne Granard; or, Keeping up Appearances. […], volume I, London: Henry Colburn, […], published 1842, page 51

I conjure you, let him know, / Whate'er was done against him, Cato did it.

1712 (date written), [Joseph] Addison, Cato, a Tragedy. […], London: […] J[acob] Tonson, […], published 1713, Act I, scene iv, page 2

Stammering out something, I knew not what, I rolled away from him against the wall, and then conjured him, whoever or whatever he might be, to keep quiet, and let me get up and light the lamp again.

1851 November 14, Herman Melville, Moby-Dick; or, The Whale, 1st American edition, New York, N.Y.: Harper & Brothers; London: Richard Bentley

Drew after him the third part of Heaven's sons / Conjured against the Highest.

1667, John Milton, “Book II”, in Paradise Lost. […], London: […] [Samuel Simmons], […]; republished as Paradise Lost in Ten Books: […], London: Basil Montagu Pickering […], 1873,