[suh-plant, -plahnt]
verb (used with object)
to take the place of (another), as through force, scheming, strategy, or the like.
to replace (one thing) by something else.

1250–1300; Middle English supplanten < Latin supplantāre to trip up, overthrow. See sup-, plant

supplantation [suhp-luhn-tey-shuhn] , noun
supplanter, noun
unsupplanted, adjective

supplant, supplicant, suppliant.

1. remove, succeed. See replace. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
supplant (səˈplɑːnt)
(tr) to take the place of, often by trickery or force: he easily supplanted his rival
[C13: via Old French from Latin supplantāre to trip up, from sub- from below + planta sole of the foot]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

c.1300, "to trip up, overthrow, defeat, dispossess," from O.Fr. supplanter "to trip up, overthrow," from L. supplantare "trip up, overthrow," from sub "under" + planta "sole of the foot" (see plant (n.)). Meaning "replace one thing with another" first recorded 1671. Interesting
sense evolution parallel in Heb. akabh "he beguiled," from akebh "heel."
Online Etymology Dictionary, © 2010 Douglas Harper
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Example sentences
But you still use those highways and road projects, so other program budgets
  are negatively effected to supplant your lost fees.
No method currently under study is robust enough yet to supplant mammography.
Social media attempts to supplant that feeling, but so many cues are lost
  across the wires.
The instruction aimed, as already pointed out, not to supplant but to
  supplement apprenticeship.
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