adv. Obs. rare–1. [irreg. f. SURE a. + -fully, adv. to -FUL 1.] In security.
1495. Act 11 Hen. VII., c. 2. Preamble, The Kyngis grace … desireth … his subgettis … to leve quietly and surefully to the plesure of God and according to his lawes.
