To audit accounts etc in order to verify them.
To examine something with great care or detail, as to look for hidden or obscure flaws.
To put by fraud in the place of another.
To require to exist or to be true; to imply by the laws of thought or of nature.
To theorize or hypothesize.
To take for granted; to conclude, with less than absolute supporting data; to believe.
To imagine; to believe; to receive as true.