List of safe synonyms and safe related words.
Fort Knox, OK, acceptable, all right, allowable, appropriate, armed, bank, bona fide, bursary, calculating, canny, careful, cash register, cashbox, cautious, chary, chest, circumspect, cloaked, coffer, coin box, conservative, considerate, copyrighted, correct, covered, crypt, defended, deliberate, dependable, depository, discreet, exchequer, fisc, gingerly, gold depository, guarded, guarding, harmless, healthy, heedful, hesitant, immune, immunized, impregnable, innocent, innocuous, inoffensive, insured, intact, inviolable, invulnerable, judicious, justifiable, justified, leaving out nothing, locker, mindful, money chest, noncommittal, okay, on guard, overlooking no possibility, patented, pawky, penny bank, permissible, piggy bank, policed, politic, pork barrel, proper, protected, protecting, prudent, public crib, public till, public treasury, public trough, regardful, reliable, repository, right, riskless, safe and sound, safe-deposit box, safeguarded, safeguarding, safely, satisfactory, scatheless, screened, secure, secured, securely, sheltered, sheltering, shielded, shielding, slow to act, solid, sound, storehouse, strong room, strongbox, subtreasury, suitable, sure, tentative, thorough, till, timely, treasure-house, treasury, tried and true, unadventurous, unassailable, uncommunicative, undamaged, undaring, unenterprising, unharmed, unhurt, uninjured, uninjurious, unpolluted, unprecipitate, unscathed, unthreatened, untouched, vault, wary, whole, wholesome