The renovative process of
sanctification entails God’s initial and gradual work of transforming believers into
Christ’s image, creating in them an increasing active disposition toward him, until
perfection is finally completed in glorification (Rom 8:28–30; Phil 1:6; 1 Thess 5:23–24).
Sanctification, as a whole, is distinguishable yet inseparable from justification.
On this perpetual and inseparable tie of justification and sanctification, Calvin insists:
Why, then, are we justified by faith? Because by faith we apprehend the
righteousness of Christ, which alone reconciles us to God. This faith, however, you
cannot apprehend without at the same time apprehending sanctification; for Christ
conformation.” However, Murray argues that the New Testament’s use of terms referring to sanctification
portrays a definitive act, a once-for-all reality associated with union with Christ. See John Murray,
“Definitive Sanctification,” Calvin Theological Journal 2 (April 1967): 5–21, reprinted in John Murray,
Collected Writings of John Murray, vol. 2, Systematic Theology (Carlisle, PA: Banner of Truth, 1982),
277–84. This language of “definitive sanctification” has been reproduced by other theologians in Murray’s
tradition, such as David Peterson, to highlight not merely the initial standing of separation that belongs to
the work of sanctification in the believer but, more importantly, that sanctification is primarily a work of
God, in Christ, through the Spirit. In Peterson’s words,
Sanctification is commonly regarded as a process of moral and spiritual transformation following
conversion. In the New Testament, however, it primarily refers to God’s way of taking possession of
us in Christ, setting us apart to belong to him and to fulfil his purpose for us. Sanctification certainly
has present and ongoing effects, but when the verb “to sanctify” (Gk. hagiazein) and the noun
“sanctification” (Gk. hagiasmos) are used, the emphasis is regularly on the saving work of God in
Christ, applied to believers through the ministry of the Holy Spirit. (David G. Peterson, Possessed by
God: A New Testament Theology of Sanctification and Holiness, New Studies in Biblical Theology
[Leicester: IVP Academic, 1995], 27)
In a more recent article, Ben Dunson sheds light on this discussion between the biblical terminology for
sanctification and the Protestant formulations of such doctrine. Working from both biblical and systematic
theology, Dunson argues for an integral connection between the definitive and transformational aspects,
that is, sanctification as consecration for transformation. While affirming the terminological
correspondence adopted by Murray and Peterson, Dunson allows for the dogmatic use of sanctification as
long as it portrays the substance of Scripture and its transformative connection: “Using the word
sanctification to depict Spirit-wrought transformation of believers seems to have become so entrenched in
theological discussion that employing a different term would probably introduce more confusion than
clarity. And more significantly, we have seen that sanctification terminology does indeed have a close and
vital link with transformation.” Ben C. Dunson, “Biblical Words and Theological Meanings: Sanctification
as Consecration for Transformation,” Themelios 44, no. 1 (April 2019): 88.
Bavinck connects the biblical use of ἁγιασμος with the progression of sanctification: “They
have received Christ not only as righteousness but also as ἁγιασμος (hagiasmos)—not holiness, as ἁγιοτης
(hagiotēs) or ἁγιωσυνη (hagiōsynē), but sanctification—so that what is in view here is not the result but the
progression of sanctification or consecration to God (cf. Rom. 6:22; 1 Thess. 4:4; 1 Tim. 2:15; Heb.
12:14).” Bavinck, RD, 4:235. Thomas Schreiner also recognizes that ἁγιασμος is more often used in regard
to “progress in holiness,” even though he acknowledges that the context of each passage should determine
the meaning. See Thomas R. Schreiner, 1 Corinthians: An Introduction and Commentary, Tyndale New
Testament Commentaries (Downers Grove, IL: IVP Academic, 2018), 75.