the mind > mental capacity > belief > uncertainty, doubt, hesitation > absence of doubt, confidence > assured fact, certainty > making certain, assurance > assure, make certain [verb (transitive)] > bring someone to certainty (2)
transitive. To free (a person) from doubt or perplexity; to bring to a clear understanding; to provide with definite information. Obsolete.
transitive. To bring (a person, group, etc.) to a decision; to cause to resolve or determine.