Fremfull

According to the Old English Dictionary:

fremfull

adj. [freme good; ful, full full] Beneficent, profitable; bĕnĕfĭcus :-- Ða ðe ánweald ofer hig habbaþ synd fremfulle genemned qui pŏtestātem hăbent sŭper eos bĕnĕfĭci vŏcantur, Lk. Bos. 22, 25. fremfull