Answer: eternize

AnswerCrossword Clue
ETERNIZEImmortalize.
ETERNIZEProlong indefinitely.
ETERNIZEMake immortal.
ETERNIZEPerpetuate
eternizeto immortalize
eternizeto make eternal, also ETERNISE
eternizeto make eternal; perpetuate
eternizeto make eternal; perpetuate.