medeful

‘aftercomer’ for descendant; ‘greatdoingly’ for magnificently; ‘to afterthink’ (still in use in Lancashire) for to repent; ‘medeful’, which has given way to meritorious; ‘untellable’ for ineffable; ‘dearworth’ for precious; Chaucer has ‘forword’ for promise; Sir John Cheke

English Past and Present Richard Chenevix Trench 1846

But in the servyce of the chyrche, I trowe it to be moste sewer and moste medeful (i.e. meritorious) to obey the comon use of saying, as the chyrche hath set, without all such addicions. "

The Catholic Encyclopedia, Volume 7: Gregory XII-Infallability 1840-1916 1913