Quick Definition
grand, magnificent
Strong's Definition
magnificent, i.e. (neuter, plural as noun) a conspicuous favor, or (subjectively) perfection
Derivation: from G3173 (μέγας);
KJV Usage: great things, wonderful works
Thayer's Greek Lexicon
μεγαλεῖος, μεγαλεῖα, μεγαλεῖον (μέγας), magnificent, excellent, splendid, wonderful (Xenophon, Josephus, Artemidorus Daldianus, others); absolutely, μεγαλεῖα (ποιεῖν τίνι) to do great things for one (show him conspicuous favors), Luk_1:49 R G; τά μεγαλεῖα τοῦ Θεοῦ (Vulg.magnalia dei (A. V. the mighty works of God)), i. e. the glorious perfections of God and his marvellous doings (βΐΜγΙμεϊ, Psalm 70:19 (); Sir_33:10 (Sir_36:10); ), Act_2:11.
Mounce Concise Greek Dictionary
μεγαλεῖος megaleios 1x
magnificent, splendid; τὰ μεγαλεῖα , great things, wonderful works, Act_2:11
Abbott-Smith Greek Lexicon
μεγαλεῖος , -εία , -εῖον ( < μέγας ),
[in LXX : Psa_71:19 ( H1419 ), al. , freq . in Sir;]
magnificent, splendid ( Xen ., Plut ., al. ) : Act_2:11 .†
Moulton & Milligan — Vocabulary of the Greek NT
μεγαλεῖος [page 392]
Syll 365 (= .3 798) .4 (A.D. 37) αὐτοῦ τὸ μεγαλεῖον τῆς ἀθανασίας with reference to Caesar Germanicus. For μεγαλεῖον as a ceremonial title see further P Oxy IX. 1204 .10 (A.D. 299) τὸ μεγαλεῖον αὐτοῦ , his highness, P Amh II. 82 .16 (iii/iv A.D.) δι᾽ ὅπερ κ [ατέφυ ]γον ἐπὶ τὸ σὸν μεγα [λεῖον a Prefect, P Oxy I. 71 ii. 5 (A.D. 303) ὅθεν καὶ αὐτὴ πρόσε̣ι̣μ̣[ι τῷ σῷ ] μεγαλείῳ εὔελπις οὖσα τῆς ἀπὸ σοῦ βοηθείας τυχεῖν , therefore I myself (a widow whose affairs had been mismanaged by dishonest overseers) make petition to your highness in the full confidence that I shall obtain assistance from you (Edd.), and P Thead 19 .5 (iv/A.D.) τοὺς ἀδικουμένους ὀρφανο [ύς ], ἡγεμὼν δέσποτα ἐκδικεῖν εἴωθεν τὸ μεγαλεῖον τὸ σόν . In P Lond V. 1708 .229 (A.D. 567 ?) the plur. is used = gospels ἑκάστου τούτων ἐνωμότως ( on oath ) θεμένου ὅρκον ἐπάνω τῶν σεπτῶν ( august ) μεγαλίων . For the adv. see Aristeas 20 μεγαλείως χρησάμενος τῇ προθυμίᾳ .
Liddell-Scott — Intermediate Greek Lexicon
μεγαλεῖος μεγα^λεῖος, η, ον [Etym: μέγας] "magnificent, splendid", Xen. : τὰ μεγαλεῖα "mighty works", NTest. :—adv. -ως, "splendidly", Xen. of persons, "stately, haughty", id=Xen.
STEPBible — Tyndale Abridged Greek Lexicon
μεγαλεῖος, -εία, -εῖον
(μέγας) [in LXX: Psa.71:19 (גָּדוֹל), al., frequently in Sir ;]
magnificent, splendid (Xen., Plut., al.) : Act.2:11.†
(AS)
