re·joice (rĭ-jois') v.
re·joiced, re·joic·ing, re·joic·es
v.
intr. To feel joyful; be delighted: rejoiced at the news; rejoiced in her friend's good fortune. v.
tr. To fill with joy; gladden. Phrasal Verb(s): rejoice inTo have or possess: rejoices in a keen mind.
[Middle English rejoicen, from Old French rejoir, rejoiss- : re-, re- + joir, to be joyful (from Vulgar Latin *gaudīre, from Latin gaudēre; see gāu- in Indo-European roots).] re·joic'er n.