Lexical Definition

‎ἡγέομαι‎ hēgéomai (hayg-eh'-om-ahee) to govern ^G:V
middle voice of a (presumed) strengthened form of ‎ἄγω‎

account, (be) chief, count, esteem, governor, judge, have the rule over, suppose, think.

• to lead, i.e. command (with official authority)
• figuratively, to deem, i.e. consider

Abbott-Smith

ἡγέομαι, -οῦμαι depon. mid., [in LXX (chiefly pres. ptcp.) for נָגִיד, רֹאשׁ, שַׂר, etc.;]
1. to lead;
(a) to guide, go before;
(b) to rule, be leader: pres. ptcp., ἡγούενος, a ruler, leader (MM, Exp., xiv), Mt 2:6(LXX), Lk 22:26, Ac 7:10 14:12 15:22, He 13:7, 17, 13:24.
2. to suppose, believe, consider, think (Hdt., Soph., al.; cf. Lat. duco): c. dupl. acc., Ac 26:2, Phl 2:3, 6 3:7, I Ti 1:12 6:1, He 10:29 11:11, 26, II Pe 1:13 2:13 3:9, 15; c. acc. seq. ὡς, c. acc., II Th 3:15; c. acc. seq. adv., I Th 5:13; ὅταν, Ja 1:2; ἀναγκαῖον, c. inf., II Co 9:5, Phl 2:25; δίκαιον, c. inf., II Pe 1:13; c. acc. et inf., Phl 3:8 (cf. δι-, ἐκ-δι-, ἐξ- προ-ηγέομαι).†
SYN.: v.s. δοκέω.

Abbott-Smith References

Liddell-Scott-Jones

ἡγέομαι,

Doric dialect ἁγ- (irregular present participle ἁγώμενος [Refs]imperfect ἡγούμην[Refs], Ionic dialect -εύμην[Refs 5th c.BC+]: future ἡγήσομαι [Refs 8th c.BC+]: aorist 1 ἡγησάμην [Refs 8th c.BC+]aorist 1 ἡγήθην[Refs 3rd c.AD+]: perfect ἥγημαι [Refs 5th c.BC+]:—go before, lead the way, ὣς εἰπὼν ἡγεῖθ᾽, ἡ δ᾽ ἕσπετο Παλλὰς 'Αθήνη [Refs 8th c.BC+]: Astron., precede in the daily movement, [Refs 4th c.BC+]

__b with dative person, Τρωσὶ ποτὶ πτόλιν ἡγήσασθαι [Refs 8th c.BC+]
__c with ὁδόν added, ὁδὸν ἡγήσασθαι to go before on the way, [Refs 8th c.BC+]
__d with accusative loci, ἥ οἱ.. πόλιν ἡγήσαιτο who might guide him to the city, [Refs 8th c.BC+]
__e ἅρματα ἡ. drive chariots, [Refs 2nd c.AD+]
__f of logical priority, to be antecedent, opposed to ἕπεσθαι, [Refs 2nd c.AD+]
__g ἡγούμενον, τό, the leading principle, the main thing, [Refs 3rd c.BC+]
__2 with dative person et genitive of things, to be one's leader in a thing, θεῖος ἀοιδὸς.. ἡμῖν ἡγείσθω.. ὀρχηθμοῖο [Refs 8th c.BC+]; ἡ. τινὶ σοφίας, ᾠδῆς, [Refs 5th c.BC+] with genitive _of things_, ἁ. νόμων to lead the song, [Refs 5th c.BC+]
__3 with dative of things, to be leader in.. , κερδοσύνῃ, νηπιέῃσι ἡ. τινί, [Refs 8th c.BC+]
__4 with accusative of things, lead, conduct, ἡ. τὰς πομπάς [Refs 4th c.BC+]; τὴν ἀποδημίαν (variant for{ᾐτήσατο}) [Refs 5th c.BC+]: with adverbial accusative, ἡ γλῶσσα πάνθ᾽ ἡγουμένη [Refs 5th c.BC+]
__5 participle ἡγούμενος, η, ον, as adjective, σκέλη ἡγούμενα, opposed to ἑπόμενα, the front legs, [Refs 4th c.BC+]; ὁ ἡ. πούς the advanced foot, [Refs]
__II lead, command in war, with dative, νῆες θοαί, ᾗσιν 'Αχιλλεὺς ἐς Τροίην ἡγεῖτο [Refs 8th c.BC+]; οὐ γὰρ ἔην ὅς τίς σφιν ἐπὶ στίχας ἡγήσαιτο might lead them to their ranks, [Refs 8th c.BC+]: absolutely, to be in command, [Refs]
__II.2 rule, have dominion, with genitive, τῆς 'Ασίης, τῆς συμμαχίης, [Refs 5th c.BC+] the rulers, [Refs 5th c.BC+]leading men, [NT]; ἡ. σχολῆς to be the head of a philosophical school, [Refs 1st c.BC+]
__II.3 as official title, ἡγούμενος, ὁ, president, συνόδου [Refs 1st c.AD+]; ἱερέων [Refs 1st c.AD+]
__II.3.b of Roman governors, ἡ. ἔθνους,= Latin praeses provinciae, [Refs 2nd c.AD+]; ἡ. τῆς Γαλατίας [Refs 2nd c.AD+]
__II.3.c of subordinate officials, ἡ. τοῦ στρατηγοῦ [Refs 1st c.AD+]; κώμης [Refs 1st c.AD+]
__II.3.d abbot, [Refs 6th c.AD+] abbess, [Refs]
__II.4 ἡγούμενος as adjective, principal, πυλών [Refs 3rd c.AD+]
__III post-[Refs 8th c.BC+], believe, hold, [Refs 5th c.BC+], etc.; ἡ. τι εἶναι [Refs 5th c.BC+]
__III.2 with an attributive word added, ἡ. τινὰ βασιλέα hold or regard as king, [Refs 5th c.BC+]; ἡ. τἄλλα πάντα δεύτερα to hold everything else secondary, [Refs 5th c.BC+]; οὐκ αἰσχρὸν ἡγῇ.. τὰ ψευδῆ λέγειν[Refs 5th c.BC+]; παρ᾽ οὐδέν Decrees cited in [Refs 4th c.BC+]: with participle, πᾶν κέρδος ἡγοῦ ζημιουμένη φυγῇ [Refs 5th c.BC+]
__III.3 especially of belief in gods, τὴν μεγίστην δαίμονα ἥγηνται εἶναι [Refs 5th c.BC+]; ἡ. θεούς to believe in gods, [Refs 5th c.BC+]
__III.4 ἡγοῦμαι δεῖν think fit, deem necessary, with infinitive, [Refs 5th c.BC+]; ἡγήσατο ἐπαινέσαι [Refs 5th c.BC+].
__IV perfect in passive sense, τὰ ἁγημένα,= τὰ νομιζόμενα, Oracle texts cited in [Refs 4th c.BC+]; ἡγεόμενον being led, [Refs 5th c.BC+]. (sāg-, cf. Latin praesagio.)

_{LSJ Scripture Refs: Acts.15.22}