Disbelief or uncertainty (about something); (countable) a particular instance of such disbelief or uncertainty.
To be undecided about; to lack confidence in; to disbelieve, to question.
Knowledge of a set of circumstances sufficient to make actions based on those circumstances wrongful.
Prior to the inception of an insurance policy, knowledge of specific extant circumstances that could reasonably give rise to a claim under that policy.
Used other than figuratively or idiomatically: see prior, knowledge.