κατάρτισις

a perfecting

Definition

Katartisis refers to the process or state of being made complete, restored, or fully equipped. It carries the sense of mending, repairing, or perfecting something to its intended, functional state. In its sole New Testament occurrence, it describes the spiritual goal for believers: to be brought to full maturity and soundness in their faith. The related verb (katartizō) is used in other passages for mending nets (Matthew 4:21), restoring a brother (Galatians 6:1), and being equipped for good work (2 Timothy 3:17), all reflecting this core idea of corrective completion.

Biblical Usage

This noun is used only once in the New Testament, in 2 Corinthians 13:9, where Paul writes, 'For we rejoice when we are weak and you are strong. This is what we pray for, that you may become perfect (katartisis).' Here, it describes the apostle's prayerful desire for the Corinthian church to achieve spiritual maturity, health, and restoration after a period of conflict and correction. The usage is entirely focused on the communal and spiritual completeness of God's people.

Etymology

Derived from the verb katartizō (G2675), which combines the preposition kata ('down,' intensifying the action) and a root related to artios ('fitted, complete'). The verb's fundamental meaning is to adjust, put in order, or restore. Thus, katartisis is the noun form denoting the resulting state or process of being fully fitted, mended, or perfected. Cognates include the adjective artios ('complete, capable') used in 2 Timothy 3:17.

Semantic Range

This word is theologically significant as it captures the goal of Christian discipleship and church ministry: the restoration and maturation of believers into Christlike wholeness. It moves beyond initial salvation to the ongoing process of sanctification, where brokenness is repaired and character is equipped for godly service. Understanding this Greek term enriches reading by highlighting that biblical 'perfection' is not about flawlessness but about being fully restored and fit for one's God-given purpose, both individually and as a community (Ephesians 4:12-13).

In the ancient Greco-Roman world, the related verb katartizō was used in secular contexts for setting broken bones, mending tools, or preparing and outfitting a ship for voyage. This cultural background of practical restoration and preparation for function deeply informs its biblical usage. When applied spiritually, it conveys the idea of the church being 'set right' and fully equipped for its mission, a concept more tangible than abstract.

katartismos (G2677) — a very close synonym also meaning 'perfecting' or 'completing,' used in Ephesians 4:12. teleiosis (G5050) — emphasizes the idea of bringing to an end or goal, often 'completion' or 'perfection.' holoklēria (G3647) — stresses soundness, wholeness, or integrity in every part.

Word Details

Scripture References