Feágan

According to the Old English Dictionary:

to feágenne [feá, gefeá

feágan

joy] To rejoice; lætāri, plaudĕre :-- To feágenne on blisse þeóde ðínre ad lætandum in lætĭtia gentis tuæ, Ps. Lamb. 105, 5. Flódas feágaþ oððe hafetiaþ mid handa flūmĭna plaudent mănu, 97, 8. feagan