Synonyms and related words :
affianced, ascertained, assured, attested, betrothed, bound, certain, certified, committed, compromised, contracted, covered, decided, dependable, determinate, determined, engaged, ensured, established, fail-safe, firm, fixed, harmless, in the bag, insured, intended, invulnerable, made sure, nailed down, obligated, on ice, open-and-shut, pledged, plighted, promised, proved, reliable, riskless, secure, secured, set, settled, sound, stable, stated, steady, sure, sworn, tested, tried, trustworthy, undangerous, underwritten, unhazardous, unperilous, unprecarious, unrisky, warranted, warranteed