(a.) Evident without proof or reasoning; producing certainty or conviction upon a bare presentation to the mind; as, a self-evident proposition or truth.

absolute actual admitting no question apparent axiomatic clear clear as crystal clear-cut confirmable crystal-clear definite demonstrable demonstratable discernible distinct evident explicit express factual historical inappealable incontestable incontrovertible indisputable indubitable inescapable irrefragable irrefutable manifest noticeable observable obvious open-and-shut palpable patent perceivable perceptible perspicuous plain plain as day provable proverbial real seeable self-explaining self-explanatory tangible testable to be seen TRUE unanswerable unconfutable undeniable unimpeachable unmistakable unquestionable unrefutable verifiable visible