n guarantee(gloss|anything that assures a certain outcome)
n guarantee (gloss|written declaration that a product will be fit for a purpose and work correctly)
n warranty(gloss|engagement or undertaking, that a certain fact regarding the subject of a contract is, or shall be, as it is expressly implied or promised to be)
n usually in plural ('takuut'), bail bond, bail(gloss|surety or money posted as bail)