4817. sullogizomai
Lexical Summary
sullogizomai: To reason together, to consider, to deliberate.

Original Word: συλλογίζομαι
Part of Speech: Verb
Transliteration: sullogizomai
Pronunciation: sool-log-ID-zom-ahee
Phonetic Spelling: (sool-log-id'-zom-ahee)
KJV: reason with
NASB: reasoned
Word Origin: [from G4862 (σύν - along) and G3049 (λογίζομαι - credited)]

1. to reckon together (with oneself), i.e. deliberate

Strong's Exhaustive Concordance
reason with.

From sun and logizomai; to reckon together (with oneself), i.e. Deliberate -- reason with.

see GREEK sun

see GREEK logizomai

HELPS Word-studies

4817 syllogízomai (from 4862 /sýn, "identify with" and 3049 /logízomai, "to reckon") – properly, consider together, organizing details (premises) into a pragmatic ("clever") conclusion (used only in Lk 20:5).

4817 /syllogízomai ("discuss one subject in terms of another") here refers to confused syllogistic reasoning done by the Jews (chief priests, elders, Sadducees).

NAS Exhaustive Concordance
Word Origin
from sun and logizomai
Definition
to reckon, to compute, i.e. to reason
NASB Translation
reasoned (1).

Thayer's Greek Lexicon
STRONGS NT 4817: συλλογίζομαι

συλλογίζομαι: (imperfect συνελογιζομην Lachmann) 1 aorist συνελογισαμην;

a. to bring together accounts, reckon up, compute, (Herodotus and following).

b. to reckon with oneself, to reason (Plato, Demosthenes, Polybius, others): Luke 20:5.

Topical Lexicon
Root Idea

Strong’s Greek 4817 portrays deliberate, collective reasoning—adding up arguments until a shared conclusion is reached. It is more than private reflection; it is a joint attempt to frame a position, usually under pressure.

Biblical Occurrence (Luke 20:5)

“So they discussed it among themselves and said, ‘If we say, ‘From heaven,’ He will ask, ‘Why did you not believe him?’ ” (Luke 20:5).

The verb describes the secret consultation of chief priests, scribes, and elders when Jesus questioned them about the origin of John’s baptism. Their answer would either expose their unbelief or cost them popular support. The term exposes the dynamics of political calculation clothed in religious language.

Historical Setting

Luke situates this scene in the temple during Jesus’ final week. The ruling council feared losing authority before the Passover crowds (Luke 19:47–48). Their private deliberation forms a stark contrast to Jesus’ public boldness. They “reason together” in an echo of Isaiah 1:18, yet without sincerity; their goal is self-preservation, not truth.

Theological Insights

1. The bankruptcy of purely human logic: Calculated reasoning that omits faith ends in evasive silence—“We do not know where it was from” (Luke 20:7).
2. The authority of Christ: By one question He unmasks their motives, showing that religious power structures cannot stand against divine wisdom (cf. Proverbs 21:30).
3. Accountability of leaders: Those entrusted with spiritual oversight are judged by how they respond to revealed truth, not by the cleverness of their arguments (James 3:1).

Ministry Principles

• Decision-making must be guided by reverence for God, not fear of people (Acts 5:29).
• Honest dialogue within the body of Christ should aim at obedience, not image-management (Ephesians 4:25).
• Christian leadership involves bringing hidden deliberations into the light of Scripture and prayer (Psalm 43:3).

Related Themes and Passages

• Disciples “reasoned among themselves” about bread (Mark 8:16); Jesus corrected their shortsighted calculations.
• Herod and Pilate “became friends” through joint deliberation over Jesus (Luke 23:12), illustrating how alliance against truth unites unlikely partners.
• Proverbs repeatedly contrasts wise counsel that fears the Lord (Proverbs 15:22) with plotting that seeks self-advantage (Proverbs 21:30).

Summary

Strong’s 4817 highlights a moment when human logic confronted divine authority and failed. It warns today’s believers that collective reasoning, however sophisticated, must yield to revealed truth lest it end in spiritual evasion and loss of credibility before God and people.

Forms and Transliterations
συλλογιείται συλλογίζεσθε συλλογισμόν συνελογισαντο συνελογίσαντο sunelogisanto synelogisanto synelogísanto
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Englishman's Concordance
Luke 20:5 V-AIM-3P
GRK: οἱ δὲ συνελογίσαντο πρὸς ἑαυτοὺς
NAS: They reasoned among themselves,
KJV: And they reasoned with themselves,
INT: and they reasoned among themselves

Strong's Greek 4817
1 Occurrence


συνελογίσαντο — 1 Occ.

4816
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