49. hagnismos
Lexical Summary
hagnismos: Purification, cleansing

Original Word: ἁγνισμός
Part of Speech: Noun, Masculine
Transliteration: hagnismos
Pronunciation: hag-nis-MOS
Phonetic Spelling: (hag-nis-mos')
KJV: purification
NASB: purification
Word Origin: [from G48 (ἁγνίζω - purify)]

1. a cleansing (the act)
2. (ceremonially) to purify by offering (or other method) for appeasement

Strong's Exhaustive Concordance
purification.

From hagnizo; a cleansing (the act), i.e. (ceremonially) lustration -- purification.

see GREEK hagnizo

NAS Exhaustive Concordance
Word Origin
from hagnizó
Definition
purification
NASB Translation
purification (1).

Thayer's Greek Lexicon
STRONGS NT 49: ἁγνισμός

ἁγνισμός, (οῦ, , purification, lustration, (Dionysius Halicarnassus 3, 22, i., p. 469, 13; Plutarch, de defect. orac. 15): Acts 21:26 (equivalent to נֵזֶר, Numbers 6:5), Nazarite; see ἁγνίζω, 1.

Topical Lexicon
Concept and Scope of the Term

Strong’s Greek 49 portrays the formal, cultic “purification” prescribed by the Law of Moses and practiced in Second-Temple Judaism. It concerns outward rites meant to symbolize inner consecration—setting oneself apart from common use for the service of the Holy One.

New Testament Occurrence

Acts 21:26: “The next day Paul took the men and purified himself along with them. Then he went into the temple to give notice of the completion of the days of purification, when the offering would be made for each of them.”

This lone occurrence records Paul joining four Jewish believers who were under a Nazirite-style vow in Jerusalem. By sharing their purification expenses he publicly affirmed his continued respect for the Law (compare Acts 21:24) while maintaining the gospel of grace he preached among the Gentiles.

Old Testament and Second-Temple Background

1. Numbers 6:1-21 – The Nazirite vow established a defined period of holiness, marked by abstention from wine, avoidance of corpse-impurity, and a concluding sacrificial ritual.
2. Exodus 19:10-15 – Israel’s pre-Sinai preparations illustrate the pattern: outward washing preceding covenant encounter.
3. Ezra 6:20; 2 Chronicles 30:17 – Priests and Levites purified themselves to minister on behalf of the people.
4. Second-Temple practice added synagogue readings, prayers, and offerings to the biblical prescriptions, so that “days of purification” in the first century included both Torah and rabbinic elements.

Historical Setting in Acts 21

• Timing: Pentecost season (Acts 20:16) when Jerusalem swelled with pilgrims.
• Participants: Paul and four men under a vow, probably seven days in length (Acts 21:27).
• Procedure: Daily temple appearances, ritual immersions, head-shaving (Numbers 6:18), and the promised animal sacrifices at completion.
• Purpose: To silence rumors that Paul taught Jews “to forsake Moses” (Acts 21:21) and to display unity in the church amid Jew-Gentile tensions.

Theological Significance

1. Continuity and Fulfillment

Paul’s willingness to participate shows that the gospel does not abolish the moral intent of the Law but fulfills it in Christ (Matthew 5:17; Romans 3:31).
2. Symbolism of Holiness

External rites pointed to the deeper work of the Spirit promised in Ezekiel 36:25-27—“I will sprinkle clean water on you, and you will be clean.”
3. Transition from Shadow to Substance

Hebrews 9:13-14 contrasts animal blood that brings ceremonial cleanness with the blood of Christ that “purifies our conscience from dead works to serve the living God,” demonstrating that purification’s ultimate goal is inward transformation.

Christological Connections

• Jesus embodies the purified temple (John 2:19-21) and the flawless offering (1 Peter 1:18-19).
• His once-for-all sacrifice renders further cultic purifications unnecessary for salvation, yet His disciples pursue practical holiness (2 Corinthians 7:1; 1 John 3:3) empowered by His finished work.

Ministry Implications

1. Cultural Sensitivity in Mission

Paul’s action models voluntary self-limitation for the sake of weaker brethren (1 Corinthians 9:19-23).
2. Pursuit of Personal Holiness

The episode reminds believers that grace never excuses impurity; rather, it motivates wholehearted consecration (Romans 12:1).
3. Unity of the Church

Shared rites in Acts 21 temporarily bridged cultural divides, demonstrating that mutual love often requires tangible gestures of respect.

Typological and Prophetic Dimensions

• The temporary Nazirite state foreshadows the believer’s pilgrim status—set apart now, awaiting the Day when holiness will be perfected (Revelation 22:11).
• Temple purifications anticipate the eschatological cleansing of creation when “nothing unclean will ever enter” the New Jerusalem (Revelation 21:27).

Practical Applications

• Examine motives in any religious observance: is it a mere formality or an expression of devotion to Christ?
• Embrace disciplines that encourage purity of heart—confession, fellowship, sacrificial service—without trusting them for justification.
• Foster unity by honoring the convictions of others where Scripture allows freedom, pursuing “the things that lead to peace and mutual edification” (Romans 14:19).

Summary

The solitary New Testament mention of this “purification” in Acts 21:26 stands as a living parable of the gospel’s transformative power: the shadow of ritual pointing to the substance of Christ, the apostle’s loving concession preserving church unity, and the abiding call that every believer be wholly consecrated to the Lord.

Forms and Transliterations
αγνισμόν αγνισμου αγνισμού ἁγνισμοῦ agnismou hagnismou hagnismoû
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Englishman's Concordance
Acts 21:26 N-GMS
GRK: ἡμερῶν τοῦ ἁγνισμοῦ ἕως οὗ
NAS: of the days of purification, until
KJV: of the days of purification, until
INT: days of the purification until that

Strong's Greek 49
1 Occurrence


ἁγνισμοῦ — 1 Occ.

48
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