From a compound of eu and logos; to speak well of, i.e. (religiously) to bless (thank or invoke a benediction upon, prosper) -- bless, praise.

see GREEK eu

see GREEK logos

1. as in Greek writings, to praise, celebrate with praises: τόν Θεόν, Luke 1:64; Luke 2:28; Luke 24:51, 53 (Tdf. omits); James 3:9; absolutely, in the giving of thanks: Matthew 14:19; Matthew 26:26 (cf. 3 below); Mark 6:41; Mark 8:7 R G T (?); (cf. 3 below); Luke 24:30; 1 Corinthians 14:16. (When used in this sense εὐλογεῖν differs from εὐχαριστεῖν in referring rather to the form, εὐχαριστεῖν referring to the substance of the thanksgiving.) By a usage purely Biblical and ecclesiastical like the Hebrew בָּרַך,

2. to invoke blessings: τινα, upon one, Matthew 5:44 Rec.; Luke 6:28; Romans 12:14; absolutely, 1 Corinthians 4:12; 1 Peter 3:9; of one taking leave, Luke 24:50f; of one at the point of death, Hebrews 11:20f (Genesis 48:9); in congratulations, Hebrews 7:1, 6f (Genesis 14:19); Mark 10:16 R G L; Luke 2:34; εὐλογημένος (בָּרוּך), praised, blessed (cf. εὐλογητός): Matthew 21:9; Matthew 23:39; Mark 11:9; Luke 13:35; Luke 19:38; John 12:13 (in all which passages it is an acclamation borrowed from: Psalm 117:26 ()).

3. with the accusative of a thing, "to consecrate a thing with solemn prayers; to ask God's blessing on a thing, pray him to bless it to one's use, pronounce a consecratory blessing on": ἰχθύδια, Mark 8:7 L Tr WH; τούς ἄρτους, Luke 9:16; τό ποτήριον, 1 Corinthians 10:16; τήν θυσίαν, 1 Samuel 9:13; and perhaps τόν ἄρτον, Matthew 26:26; Mark 14:22 (but see above under 1); cf. Rückert, Das Abendmahl, p. 220f.

4. of God, to cause to prosper, to make happy, to bestow blessings on, (cf. Winer's Grammar, 32): τινα, Acts 3:26; followed by ἐν with the dative of the blessing, ἐν πάσῃ εὐλογία, with every kind of blessing, Ephesians 1:3 (ἐν ἀγαθοῖς, Test xii. Patr. (test. Jos. § 18), p. 722 (ἐν εὐλογίαις γῆς, ἐν πρωτογενημασι καρπῶν, test. Isach. § 5, p. 626f)); εὐλογῶν εὐλογήσω σε (after the Hebrew, Genesis 22:17; see εἰδῶ, I. 1 a. (for references)), I will bestow on thee the greatest blessings, Hebrews 6:14; Galatians 3:8 Rec.elz bez (see ἐνευλογέω), Galatians 3:9; εὐλογημένος favored of God, blessed, Luke 1:42b (cf. Deuteronomy 28:4); ἐν γυναιξί, blessed among women, i. e. before all other women, Luke 1:28 R G L Tr text brackets; 42a (cf. Winers Grammar, 246 (231); (Buttmann, 83 (73))); εὐλογημένοι τοῦ πατρός (equivalent to ὑπό τοῦ πατρός, like εὐλογημένοι ὑπό Θεοῦ, Isaiah 61:9; Isaiah 65:23; cf. Winers Grammar, 189 (178) and § 30, 4; (cf. Buttmann, § 132, 23)), appointed to eternal salvation by my father, Matthew 25:34. (Compare: ἐνευλογέω, κατευλογέω.)