To sanctify (the verb form of sanctification) is to set apart, to refine, or to make holy.
As we follow Jesus, we sanctify ourselves — with his help — to show our gratitude and gratefulness for what he did, and does, for us.
Sanctify is a synonym for consecrate.
Sanctification is to be set apart, refined, or made holy.
Sanctification is a process that is set in motion when we follow Jesus.
See sanctify, which is a synonym for consecrate.