Certainly; truly.

Certainly, surely; assuredly; verily.

Thoroughly, well.

With verbs of cognition: clearly, definitely, without any doubt or uncertainty.

Certainly, assuredly.

With verbs of saying or affirming: As a certainty, as a fact.

without miss: undoubtedly, certainly. Cf. without fail at fail, n.2 1. but miss (Scottish): rightly, certainly, indeed. Obsolete.

Clearly, distinctly; certainly, surely; carefully, exactly, correctly.

Parenthetically, or as an assurance or admission of the truth of an assertion as a whole: Without doubt; in truth and fact; of a certainty…

Firmly, strongly, fixedly; soundly. Obsolete.

Emphasizing sooth, true, sure. Obsolete or dialect.

Not in a notional manner; with certainty.

In an ascertainable manner; recognizably.

Emphatically; without a doubt, irrefutably. Also used as an emphatic affirmative: yes, certainly, definitely. Frequently paired with posilutely, adv.