1mightily, in a manner that is indicative of power:
(
s.xii2;
MS: c.1200
)
car nostre Sire fist le mund mult poestiment
(
s.xii2;
MS: c.1200
)
Deus! com est grans fiance de pure conscience, cum ele parole postivement, cum ele tient Deu et tot le siecle en justice
(
s.xiiiex;
MS: s.xivin
)
Dame Seinte Marie [...] vous veistes vostre cher fiz [...] si honorablement et poestivement al jour del ascension mounter a sa joie en sa richesce de ciel
26.36
poestivement (s.xii2)