OK Roger absolutely all right alright alrighty amen as you say assuredly aye best bet by all means certainly certainty cinch da dead-sure thing exactly favorable prospect fine good good chance good enough good opportunity good possibility hear indeed indeedy ja just so lead-pipe cinch likelihood main chance mais oui most assuredly natural naturally naturellement odds-on odds-on chance of course okay open-and-shut case oui positively possibility precisely probability quite rather really right righto shoo-in sporting chance sure sure bet sure card sure success surely to be sure truly very well well and good well-grounded hope why yes winner yea yeah yep yes yes indeed yes indeedy yes sir yes sirree