Crossword clues for Sure, will do:SUREDoubt-freeSUREBan rivalSURESee 19-AcrossSURELYThis must be the caseSUREFoolproofSUREAlways effectiveSUREWindows or Mac operatorSURECompletely convincedSURELY___ you jest!SUREAbsolutely positiveSUREGlad to!SUREYou bet!SURELYWithout doubtSUREWhy the hell notSURECinchedSUREOkaySURENo problemSURECasual affirmativeSUREIt becomes its own synonym when 'ec' is inserted after its first letterSUREI betSUREIntro for -footed or -handedSUREWithout questionSUREUnfailingSUREDoubtlessSURELYCertainlySUREBe glad toSUREFine by me ...SUREWithout a doubtSUREPositiveSURENo prob!SURECertainly!SUREConfident (Tribute #6)SUREDismissive comment, when said a certain waySUREWhy not?SURENatchSUREYeah, why not?SUREFree of doubtSUREI guess ...SUREConfidentSUREIn the bagSURESuffering no doubtSUREYeah, right!SURETrustworthySUREOK, whateverSUREArrid competitorSURELet's do itSURECockySURE__-footedSUREOf courseSURELYWith 17-Across, skeptic's words