surely

With confidence; unhesitatingly.

Undoubtedly; certainly.

Without fail.

Certainly; infallibly; undoubtedly; assuredly: often used, like doubtless, in a manner implying doubt or question.

Firmly; stably; safely; securely.

In a sure or certain manner; certainly; infallibly; undoubtedly; assuredly.

Without danger; firmly; steadly; securely.

without fail.

certainly, undoubtedly.

with confidence.