adv. Sc. Obs. [f. SOVER a.] Surely; securely.
1513. Douglas, Æneid, II. x. 107. I sal be with the sovirlie and full quoye.
1535. Stewart, Cron. Scot., III. 159. Quhair tha war keipit in ane presoun strang Richt souerlie.