Strong G21 ἀγαλλιάω agalliaō · to rejoice

Luke

1. Luke 1:47
   And my spirit hath rejoiced in God my Saviour.
2. Luke 10:21
   In that hour Jesus rejoiced in spirit, and said, I thank thee, O Father, Lord of heaven and earth, that thou hast hid these things from the wise and prudent, and hast revealed them unto babes: even so, Father; for so it seemed good in thy sight.