Answer: SURELY

AnswerCrossword Clue
SURELY"Of course!"
surelyyes, indeed
surely(in emphatic utterances that are not necessarily sustained by fact) assuredly
surelyinevitably or without fail
surelyundoubtedly, assuredly, or certainly
surelyfirmly; unerringly; without missing, slipping, etc.
SURELY"By all means!"
SURELYWithout slipping
SURELYDoubtless
SURELYWithout question
SURELYWithout doubt
SURELYOf course!
SURELYWith confidence
SURELYConfidently.
SURELYAffirmative answer.
SURELY".. you jest!"
SURELYWithout a doubt
SURELYCertainly
SURELY"... you jest!"
SURELYWord that may elicit the response "And don't call me Shirley"