To think, judge, or have or hold as an opinion; to decide or believe on consideration; to suppose.
To hold in belief or estimation; to adjudge as a conclusion; to regard as being; to evaluate according to one's beliefs; to account.
An opinion, a judgment, a surmise.
To be undecided about; to lack confidence in; to disbelieve, to question.
Disbelief or uncertainty (about something); (countable) a particular instance of such disbelief or uncertainty.