Synonyms to dead certainty

assurance, Bible oath, absolute certainty, absoluteness, acceptation, acception, accident insurance, acquiescence, actuary, agreement, aid and comfort, annuity, aplomb, arrogance, ascertainment, aspiration, assumption, assured faith, assuredness, audacity, aviation insurance, avouch, avouchment, avow, bail bond, balance, belief, boldness, bond, brashness, brass, brazenness, bumptiousness, business life insurance, casualty insurance, certain knowledge, certainness, certainty, certificate of insurance, certification, certitude, check, checking, cheek, cheerful expectation, chutzpah, clear sailing, cockiness, cocksureness, collation, comfort, commitment, compact, composure, conceit, condolence, confidence, confidentness, confirmation, consolation, control, contumely, conviction, coolness, courage, court bond, covenant, credence, credit, credit insurance, credit life insurance, credulity, deductible, definiteness, dependence, desire, determinacy, determinateness, determination, doomed hope, easement, effrontery, emboldening, encouragement, endowment insurance, ensuring, equability, e