Is “Rejoice” a Scrabble word?
Yes
REJOICE
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Rejoice
/ɹɪˈd͡ʒɔɪs/
verb
1.To be very happy, be delighted, exult; to feel joy.
2.To have (someone) as a lover or spouse; to enjoy sexually.
3.To make happy, exhilarate.