rejoice

Concise Oxford English Dictionary © 2008 Oxford University Press:
rejoice/rɪˈʤɔɪs/

▶verb

• 1 feel or show great joy.

  ■ archaic cause joy to.

• 2 (rejoice in) Brit. have (a specified strange or inappropriate name): the guard rejoiced in the name of Blossom.

– derivatives
rejoicer noun,
rejoicing noun & adjective,
rejoicingly adverb.

– origin ME: from OFr. rejoiss-, lengthened stem of rejoir, from re- + joir ‘experience joy’.