Lexical Definition

‎ἐπιδείκνυμι‎ epideíknymi (ep-ee-dike'-noo-mee) to show/prove G:V
from ‎ἐπί‎ and ‎δεικνύω‎

shew.

Usage: 7 forms in 9 verses
Form Translated As     In Verse(s)
ἐπιδεῖξαι to point out Matt.24.1
to show Matt.16.1 • Heb.6.17
ἐπιδεικνὺσ showing Acts.18.28
ἐπιδεικνύμεναι showing Acts.9.39
ἐπιδείξατε do show Luke.17.14
ἐπιδείξατέ do show Matt.22.19
επιδεικνυμένην by displaying LXX.Prov.12.17
επέδειξα I displayed LXX.Isa.37.26

Abbott-Smith

ἐπι-δείκνυμι [in LXX: Pr 12:17 (פּוּחַ hi.), Is 37:26 (בּוֹא hi.), Ep. Jer 59, II Mac 15:32, al ;]
1. to show, exhibit, display: c. acc et dat., Mt 16:1 22:19 24:1, Lk 17:14. Mid., to display for oneself or as one's own (but cf. Bl., § 55, 1): Ac 9:39.
2. to show, point out, prove: c. acc, He 6:17; c. acc et inf., Ac 18:28 (cf. MM, Exp., xiv).†

Abbott-Smith References

Book Refs
Proverbs 12:17
Isaiah 37:26
Matthew 16:1 · 22:19 · 24:1
Luke 17:14
Acts 9:39 · 18:28
Hebrews 6:17

Liddell-Scott-Jones

ἐπιδείκνυμι-νῡμι -νύω, ἐπιδεικνύω

[Refs 3rd c.BC+], future -δείξω: aorist ἐπέδειξα, Ionic dialect [Refs 5th c.BC+]:—exhibit as a specimen, [Refs 5th c.BC+]: generally, display, exhibit, [Refs 5th c.BC+] parade it before.., [Refs 5th c.BC+]; of speeches, compositions, etc., ἐπιδειξάτω τῇ βουλῇ he shall exhibit his draft, [Refs 6th c.BC+]

__2. more frequently in middle, show off or display for oneself or what is one's own, μουσικὰν ὀρθὰν ἐ. give a specimen of his article., [Refs 5th c.BC+] exhibited me naked, [Refs 5th c.BC+] showed all his army, [Refs] recall Alexander, [ἐπιδείκνυμινυσθαι τὴν αὑτοῦ δύναμιν Andocides Orator [{5-6th c.BC}] 4.14 ">Refs 6th c.BC+]; σοφίαν, πονηρίαν, [Refs 5th c.BC+]
__2.b. ἐπίδειξαι.. ἅττ᾽ ἐδίδασκες give a specimen of.. , [Refs 5th c.BC+], show off, make a display of one's powers, [Refs 6th c.BC+]; ὃν.. ἐθεάσασθε ἐπιδεικνύμενον giving a display (of fighting in armour), [Refs 5th c.BC+]; of a rhetorician lecturing, [Refs]; of epideictic orators, [Refs 4th c.BC+]; of a musician, [Refs 2nd c.AD+]: with participle, ἐ. [Refs 6th c.BC+].
__II. show, point out, [Refs 6th c.BC+]; ἐ. αὐτήν, ἥτις [Refs]; ἐ. τὸν ἀλεκτρυόν᾽ ὡς ἐτυράννει show, prove that.., [Refs 6th c.BC+], etc.: with participle, ἐ. πάντα [Refs 5th c.BC+]; ἐ. τινὰ φονέα ὄντα show that one is a murderer, variant in [Refs 5th c.BC+] prove that one took bribes, [Refs 6th c.BC+]; ἐ. αὑτὸν φοβερὸν (i.e. [Refs 6th c.BC+]: with accusative, ἐ. ὅ τι ἂν ἐγκαλῇ [Refs 4th c.BC+] —passive, ἐπιδείκνυμινυται αὐθέντης (i.e. ὤν) [Refs 6th c.BC+] (ἐπιδεῖξαι secl. Cobet).
__II.2. middle, [Refs 6th c.BC+]