Synonyms to certain knowledge

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, 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, dead certainty, deductible, definiteness, dependence, desire, determinacy, determinateness, determination, doomed hope, easement, effrontery, emboldening, encouragement, endowment insurance, ensuring, equability, e