theorize

Further, a dermatologist and known fungal expert at Guy’s Hospital in London has theorized that moldering books could induce enough mental weirdness to have inspired some of literature’s best works.

They theorize, however, that it may bring out the disease's symptoms early in young people who are genetically predisposed to it.

Some theorize the 51-year-old Kennedy was in the grip of a midlife crisis.

It is less easy to verify mental development than to theorize upon it, yet verification may not be impossible!

He then proceeds to theorize, hand in hand with the paleontologist, or student of ancient life.

It may theorize, but never dogmatize, and it must demonstrate at every step.

It has always been the custom to theorize much and unfortunately to observe but little.

And anyway it's a mistake to theorize much until we know more of the details.