Sure

Webster's Dictionary of the English Language

·superl Betrothed; engaged to marry.

II. Sure ·superl Free from danger; safe; secure.

III. Sure ·adv In a sure manner; safely; certainly.

IV. Sure ·superl Certainly knowing and believing; confident beyond doubt; implicity trusting; unquestioning; positive.

V. Sure ·superl Certain to find or retain; as, to be sure of game; to be sure of success; to be sure of life or health.

VI. Sure ·superl Fit or worthy to be depended on; certain not to fail or disappoint expectation; unfailing; strong; permanent; enduring.