4894. suneidon
Lexical Summary
suneidon: To perceive, to be aware, to understand

Original Word: συνεῖδον
Part of Speech: Verb
Transliteration: suneidon
Pronunciation: soo-NAY-don
Phonetic Spelling: (soon-i'-do)
KJV: consider, know, be privy, be ware of
NASB: aware, realized
Word Origin: [from G4862 (σύν - along) and G1492 (εἴδω - To see)]

1. to see completely
2. (past tense, first usage) to understand or become aware
3. (past tense, second usage) to be conscious or (clandestinely) informed of
{like its primary, used only in two past tenses}

Strong's Exhaustive Concordance
know, be privy, be aware of.

From sun and eido; to see completely; used (like its primary) only in two past tenses, respectively meaning to understand or become aware, and to be conscious or (clandestinely) informed of -- consider, know, be privy, be ware of.

see GREEK sun

see GREEK eido

NAS Exhaustive Concordance
Word Origin
from sun and eidon
Definition
to see together, hence to comprehend
NASB Translation
aware (1), realized (1).

Thayer's Greek Lexicon
STRONGS NT 4894: συνεῖδον

συνεῖδον, participle συνιδών; perfect σύνοιδα, participle feminine genitive συνειδυίας (Acts 5:2 R G, συνειδης L T Tr WH; cf. Buttmann, 12 (11); (Tdf.; Proleg., p. 117; WHs Appendix, p. 156)); (see εἰδῶ); from Herodotus down;

1. to see (have seen) together with others.

2. to see (have seen) in one's mind, with oneself (cf. Fritzsche, Commentary on Romans, vol. i., p. 120; on Mark, pp. 36 and 78; (see σύν, II. 1 and 4)), i. e. to understand, perceive, comprehend: συνιδών, when he had understood it, Acts 12:12 (A. V. considered); Acts 14:6 (became aware) (2 Macc. 4:41 2Macc. 14:26, 30; 3Macc. 5:50; Polybius 1,4, 6; 3, 8, 9; etc.; Josephus, Antiquities 7, 15, 1; b. j. 4, 5,4; Plutarch, Themistius, 7). Perfect σύνοιδα (cf. σύν, as above)

1. to know with another, be privy to (so A. V.): Acts 5:2.

2. to know in one's mind or with oneself; to be conscious of: τί ἐμαυτῷ, 1 Corinthians 4:4 (R. V. know nothing against myself (cf. Wright, Bible Word-Book, 2nd edition, under the word 'By')) (τήν ἀδικίαν, Josephus, Antiquities 1, 1, 4; examples from Greek writings are given by Passow, under the word σύνοιδα, a.; (Liddell and Scott, under the word σύνοιδα, 2); followed by ὅτι (Dionysius Halicarnassus 2:995, 9); the Epistle of Barnabas 1 (4) 3).

Topical Lexicon
Meaning and Scope

Strong’s Greek 4894 describes an awareness shared with oneself or with others—an inner recognition that can be either righteous or complicit in wrongdoing. The term appears four times in the New Testament and consistently highlights moral perception, accountability, and practical discernment.

Occurrences and Narrative Function

Acts 5:2 — Ananias, “with his wife’s full knowledge,” keeps back part of the proceeds. Their joint awareness makes both liable before God, underscoring the seriousness of deliberate deception within the covenant community.
Acts 12:12 — Peter, “having become aware of this,” realizes the Lord has freed him and seeks fellowship with praying believers. Spiritual awareness moves him toward corporate worship and testimony.
Acts 14:6 — Paul and Barnabas, “having learned of it,” evade a violent plot, illustrating that godly awareness includes prudent action, not reckless exposure to danger.
1 Corinthians 4:4 — Paul writes, “My conscience is clear, but that does not vindicate me. It is the Lord who judges me.” Self-knowledge is valuable, yet ultimate verdicts belong to God.

Theological Emphases

1. Shared responsibility: Acts 5 shows that sin is often communal; knowledge binds participants together in accountability.
2. Recognition of divine intervention: Peter’s awareness in Acts 12 leads to worship and witness, highlighting that spiritual insight should foster praise.
3. Discernment in mission: Awareness of danger in Acts 14 validates strategic retreat without abandoning gospel advance.
4. Conscience and divine judgment: Paul balances personal integrity with submission to God’s higher appraisal, keeping leaders humble and dependent.

Historical Context

In the first-century Mediterranean world, communal honor and shame magnified the impact of shared knowledge. Early believers, emerging from Jewish and Greco-Roman backgrounds, understood that complicity—whether in financial deceit (Acts 5) or violent intent (Acts 14)—brought collective consequences.

Relation to Conscience (Syneidēsis)

While syneidēsis (conscience) is the inward faculty, 4894 focuses on the act of knowing together. It bridges private conviction and public responsibility, reminding the church that conscience operates in community.

Pastoral and Ministry Applications

• Encourage transparency in stewardship; secret collusion jeopardizes congregational holiness (Acts 5).
• Cultivate attentiveness to God’s deliverances; awareness fuels thanksgiving and intercession (Acts 12).
• Teach wise risk assessment; prudence may prolong ministry effectiveness (Acts 14).
• Model humble self-examination; a clear conscience is necessary but not sufficient—God’s evaluation remains final (1 Corinthians 4:4).

Homiletical Outline Example

I. The Peril of Shared Deceit (Acts 5:1-11)

II. The Power of Shared Prayer (Acts 12:1-17)

III. The Prudence of Shared Discernment (Acts 14:1-7)

IV. The Priority of a Clear Conscience Under Divine Judgment (1 Corinthians 4:1-5)

Practical Reflection

Believers today must guard what they know together—whether finances, ministry strategies, or moral choices—recognizing that collective awareness invites collective blessing or discipline.

Forms and Transliterations
συνειδυίας συνειδυιης συνειδυίης συνιδοντες συνιδόντες συνιδων συνιδών συνοιδα σύνοιδα συνοίδεν suneiduies suneiduiēs sunidon sunidōn sunidontes sunoida syneiduies syneiduiēs syneidyíes syneidyíēs synidon synidōn synidṓn synidontes synidóntes synoida sýnoida
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Interlinear GreekInterlinear HebrewStrong's NumbersEnglishman's Greek ConcordanceEnglishman's Hebrew ConcordanceParallel Texts
Englishman's Concordance
Acts 5:2 V-RPA-GFS
GRK: τῆς τιμῆς συνειδυίης καὶ τῆς
KJV: also being privy [to it], and
INT: the value being aware of [it] also the

Acts 12:12 V-APA-NMS
GRK: συνιδών τε ἦλθεν
NAS: And when he realized [this], he went
KJV: And when he had considered [the thing], he came
INT: having considered [it] also he came

Acts 14:6 V-APA-NMP
GRK: συνιδόντες κατέφυγον εἰς
NAS: they became aware of it and fled
KJV: They were ware of [it], and fled unto
INT: having been aware they fled to

1 Corinthians 4:4 V-RIA-1S
GRK: γὰρ ἐμαυτῷ σύνοιδα ἀλλ' οὐκ
KJV: For I know nothing by myself;
INT: indeed in myself I am conscious but not

Strong's Greek 4894
4 Occurrences


συνειδυίης — 1 Occ.
συνιδών — 1 Occ.
συνιδόντες — 1 Occ.
σύνοιδα — 1 Occ.

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