Definition of "sanctify" [sanc•ti•fy]

• To set apart for sacred use; consecrate. (verb-transitive)
• To make holy; purify. (verb-transitive)
• To give religious sanction to, as with an oath or vow: sanctify a marriage. (verb-transitive)
• To give social or moral sanction to. (verb-transitive)
• To make productive of holiness or spiritual blessing. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The simplest meaning of the word sanctify is to separate or to devote to sacred uses."
• "The word sanctify means simply "to make holy" (L., sanctificare = sanctus, holy, + ficare, to make)."
• "The word sanctify means “to make holy, or to set apart.”"