Abbott-Smith Manual Greek Lexicon
ἀγαλλίασις (G20)
5 † ἀγαλλίασις , -εως, ἡ ( ἀγαλλιάω ), [in LXX (most freq. in Pss. and often coupled with εὐφροσύνη , as Ps 44 (45):15 ) chiefly for גִּיל ;] exultation, exuberant joy : Lk 1:44 , Ac 2:46 , He 1:9 , Ju 24 ; χαρὰ καὶ ἀ. , Lk 1:14 (Cremer, 592).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain