Wīs-fæst

According to the Old English Dictionary:

(v. wīse,

wīs-fæst

and cf. þeáw-fæst); adj. Perfect :-- Gif dū wilt wīsfæst (perfectus) wosa, Mt. Kmbl. Lind. Rush. 19, 21. Wīsfæst ēghwelc bid perfectus omnis erit, Lk. Skt. Lind. 6, 40. Folc wīsfæst plebem perfectum, I. 17. Wīsfæsto (perfecti) wossad gié. Rtl. 13, 19. [Perhaps these passages might be put under I of preceding word.] wis-fæst