Definition of Executor By Substitution
A successor executor appointed by testator entitled to succeed to administration of estate following resignation of first executor who had partially administered upon such estate. In re Stahl’s Estate, 113 Ind.App. 29, 44 N.E.2d 529, 532.
That's the definition of Executor By Substitution in Black's Law Dictionary 6th Edition. Courtesy of Cekhukum.com.