3 adjectives to describe prognosticators

The first of August has passed, and with it the conduct of the people has been such as to convince the most jealous, as well as the most sanguine of the evil prognosticators, that they are a good and trust-worthy people.

He had no desire of any reputation but that of an acute prognosticator of the changes in the funds; nor had any means of raising merriment, but by telling how somebody was overreached in a bargain by his father.

Let now the astrologers, the star-gazers, the monthly prognosticators stand up and save thee from these things that shall come upon thee!'

3 adjectives to describe  prognosticators