Salvation does not automatically cause us to be all that we should be. It does, however, mean that we will wholeheartedly enter into a dependent effort with God toward change into Christ-likeness
(Philippians 3:12-14/2 Peter 3:18).
This is a moment by moment process, which requires that we be totally reliant upon the Power of the Gospel & the Holy Spirit
The generic meaning of sanctification is "the state of proper functioning." To sanctify someone or something is to set that person or thing apart for the use intended by its designer.
In the theological sense, things are sanctified when they are used for the purpose which God intends. A person is sanctified when he or she lives according to God's design and purpose.
The Greek word translated "sanctification" (hagiasmos) means "holiness." To sanctify, therefore, means "to make holy." No human being or thing shares the holiness of God's essential nature. There is one God. Yet Scripture speaks about holy things. Moreover, God calls human beings to be holy as he is holy
(Leviticus 11:44/Matthew 5:48/ 1 Peter 1:15-16)
We must realize that a successful walk with Christ in sanctification and true holiness is impossible without wholehearted repentance. Many define repentance as “turning from sin”, but this is not the biblical definition of repentance. In the Bible, the word repent means ‘to change one’s mind”. The Bible also tells us that true repentance will result in a change of actions (Luke 3:8-14; Acts 3:19). To repent, in relation to salvation, is to change your mind in regard to Jesus Christ.
True repentance does not take place without these things. Our minds must be changed in regard to Jesus Christ. Without true repentance, we do not see our need for Christ’s lordship of our lives, nor will we see His right to have preeminence in our lives, and sanctification can never be attained in our daily lives.