Safeguard

Noun

 * 1) something that serves as a guard or protection; a defense
 * Getting a flu shot is a good safeguard against illness.
 * 1) a safe-conduct, especially in time of war

Verb

 * 1) to protect, to keep safe
 * She kept a savings to safeguard against debt and emergencies.
 * 1) to escort safely

Verbs for Safeguard
adopt—; dispense with—; employ—; inspect —; offer—; prescribe—; preserve—; promote—; sweep  away—; —affords; — bridles; —exempts; —flanks; —insures; — protects; —reassures; —screens; —shelters; —shields; —shrouds; —wards off.

Thesaurus
advocate, aegis, arm, arm guard, armament, armor, assurance, assure, backstop, bill of health, bless, bodyguard, buffer, bulwark, bumper, care for, champion, clear sailing, clearance, cloak, compass about, conserve, contraceptive, convoy, copyright, cover, crash helmet, cushion, dashboard, defence, defend, dodger, ensure, escort, face mask, fence, fend, fender, finger guard, flank, foot guard, forearming, forehandedness, foresight, foresightedness, forethought, forethoughtfulness, full pratique, fuse, gentleman-at-arms, goggles, governor, guarantee, guard, guard against, guardrail, guards, guardsman, hand guard, handrail, harbor, hard hat, harmlessness, haven, helmet, immunity, insulation, insurance, insure, interlock, invulnerability, keep, keep from harm, keep safe, knee guard, knuckle guard, laminated glass, life preserver, lifeline, lightning conductor, lightning rod, look after, make safe, mask, measures, mudguard, nestle, nose guard, pad, padding, palladium, pass, passport, patent, pilot, police, praetorian guard, pratique, precaution, precautions, precautiousness, preserve, preventive, preventive measure, prophylactic, protect, protection, protective clothing, protective umbrella, providence, provision, register, ride shotgun for, risklessness, safe-conduct, safeness, safety, safety glass, safety plug, safety rail, safety shoes, safety switch, safety valve, save, screen, seat belt, secure, security, shelter, shield, shin guard, shroud, steps, steps and measures, sun helmet, surety, umbrella, underwrite, visa, ward, windscreen, windshield, yeoman