assured

assertive automatic certain certain clear-cut confident confident conscious convinced cool coolest courageous decided decisive definite emphatic established fearless guaranteed hopeful imperturbable in the bag indubitable inevitable more certain more certain more conscious more necessary more positive more pronounced more undisputable more undisputed more undisputed most certain most certain most established most undisputable most undisputed most undisputed necessary open-and-shut open and shut/open-and-shut optimistic Panglossian positive promised pronounced rose-colored sanguine secure self-assured self-confident sure sure sure surest surest surest unafraid unconditional unconditioned undisputed undisputed/undisputable undoubted undoubting warranted