Lexical Definition

‎ἀγαλλιάω‎ agalliáō (ag-al-lee-ah'-o) to rejoice ^G:V
from agan (much) and ‎ἅλλομαι‎

be (exceeding) glad, with exceeding joy, rejoice (greatly).

• properly, to jump for joy, i.e. exult

Abbott-Smith

† ἀγαλλιάω, -ῶ, Hellenistic form of cl. ἀγάλλω, to glorify, mid. -ομαι, to exult in; [in LXX (most freq. in Pss.) chiefly for גיל, רנן pi.;]
to exult, rejoice greatly: seq. ἐπί, c. dat., Lk 1:47; c. dat. mod., I Pe 1:8, Re 19:7. Mid., with same sense: Mt 5:12, Lk 10:21, Ac 2:26, 16:34, I Pe 4:13; seq. ἵνα, Jo 8:56; ἐν, Jo 5:35 (1 aor. pass. perh. as mid.; but v. Mozley, Psalter, 5), I Pe 1:6 (Cremer, 590).†

Abbott-Smith References

Liddell-Scott-Jones

ἀγαλλιάω-άω,

late form of ἀγάλλομαι, rejoice exceedingly, [ἀγαλλιάωώμεθα}); ἠγαλλίᾱσα NT.Luke.1.47, compare “POxy.” 1592.4 (3rd-4th c.AD):—more common as \_deponent verb\_ ἀγαλλιάωάομαι, LXX.Isa.12.6, +others">NT+3rd c.AD+]: future -άσομαι[LXX]: aorist ἠγαλλιᾱσάμην[LXX+NT]—This family of words seems also to have been used in malam partem, ἀγαλλιάωάζει· λοιδορεῖται, ἀγάλλιος· λοίδορος, ἀγαλμός· λοιδορία, [Refs 5th c.AD+]

_{LSJ Scripture Refs: Rev.19.7 ☩ Luke.1.47 ☩ LXX.Isa.12.6 ☩ LXX.Ps.5.11* ☩ LXX.Ps.15.2* ☩ John.8.56}