To remove or displace by stratagem; to displace and take the place of; to supersede; as, a rival supplants another in the favor of a mistress or a prince
take the place or move into the position of; "Smith replaced Miller as CEO after Miller left"; "the computer has supplanted the slide rule"; "Mary replaced Susan as the team's captain and the highest-ranked player in the school"
If a person or thing is supplanted, another person or thing takes their place. He may be supplanted by a younger man By the 1930s the wristwatch had almost completely supplanted the pocket watch. = usurp. to take the place of a person or thing so that they are no longer used, no longer in a position of power etc = replace (supplanter, from supplantare , from planta )