Answer: REPLACE

AnswerCrossword Clue
REPLACESupplant.
replaceFill the role of (someone or something) with a substitute
replaceto put back or supply a substitute
replacePut (something) back in a previous place or position
replaceProvide or find a substitute for (something that is broken, old, or inoperative)
replaceTake the place of
REPLACEWord processor command
REPLACEChange
REPLACEPut back
REPLACESupersede
REPLACESupplant
REPLACEWhat Mr. Hyde failed to do to Dr. Jekyll.
REPLACESupply anew.
REPLACESucceed
REPLACEWord processing command
REPLACEStep in for
REPLACESubstitute for
REPLACEGo in for
REPLACEPinch-hit for